Page 1: User Guide
User Guide ThinkPad Edge E420 and E520...
Page 2 • Appendix C “Notices” on page 173 The Safety and Warranty Guide and the Regulatory Notice have been uploaded to the Web site. To refer to them, go to http://www.lenovo.com/support, and then click User Guides & Manuals. Third Edition (October 2011) ©...
Page 3: Table Of Contents
Features ....Changing display settings ..ThinkPad Edge E420 features ..Connecting a projector or external display . .
Page 4 Lenovo support Web site ..Installing the driver for 4-in-1 media card Calling Lenovo ... . . reader ....
Page 5 ....information ... . . Lenovo product service information for Wireless related information ..
Page 6 User Guide...
Page 8: Important Safety Information
The information in this document does not alter the terms of your purchase agreement or the Lenovo Limited Warranty. For more information, see Chapter 3, “Warranty Information”in the Safety and Warranty Guide. The latest Safety and Warranty Guide has been uploaded to the Web site.
Page 9: Conditions That Require Immediate Action
Note: If you notice these conditions with a product (such as an extension cord) that is not manufactured for or by Lenovo, stop using that product until you can contact the product manufacturer for further instructions, or until you get a suitable replacement.
Page 10 customers to install options or replace CRUs. You must closely follow all instructions when installing or replacing parts. The Off state of a power indicator does not necessarily mean that voltage levels inside a product are zero. Before you remove the covers from a product equipped with a power cord, always make sure that the power is turned off and that the product is unplugged from any power source.
Page 11: Power Cords And Power Adapters
Never overload these devices. If power strips are used, the load should not exceed the power strip input rating. Consult an electrician for more information if you have questions about power loads, power requirements, and input ratings. © Copyright Lenovo 2011...
Page 12: Plugs And Outlets
Plugs and outlets DANGER If a receptacle (power outlet) that you intend to use with your computer equipment appears to be damaged or corroded, do not use the outlet until it is replaced by a qualified electrician. Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to obtain a replacement.
Page 13: Rechargeable Battery Notice
In addition, many mobile products, such as notebook computers, utilize a rechargeable battery pack to provide system power when in portable mode. Batteries supplied by Lenovo for use with your product have been tested for compatibility and should only be replaced with approved parts.
Page 14: Lithium Coin Cell Battery Notice
Lithium coin cell battery notice DANGER Danger of explosion if battery is incorrectly replaced. When replacing the lithium coin cell battery, use only the same or an equivalent type that is recommended by the manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of.
Page 15: Heat And Product Ventilation
• Do not restrict or block any ventilation openings. • Do not operate your computer inside furniture, as this might increase the risk of overheating. • Airflow temperatures into the computer should not exceed 35° C (95° F). © Copyright Lenovo 2011 xiii...
Page 16: Electrical Current Safety Information
Electrical current safety information DANGER Electric current from power, telephone, and communication cables is hazardous. To avoid a shock hazard: • Do not use your computer during a lightning storm. • Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm.
Page 17: Using Headphones Or Earphones
50332-2 can be dangerous due to excessive sound pressure levels. If your Lenovo computer came with headphones or earphones in the package, as a set, the combination of the headphones or earphones and the computer already complies with the specifications of EN 50332-1.
Page 18 Notice for users in the U.S.A. Many PC products and accessories contain cords, cables or wires, such as power cords or cords to connect the accessory to a PC. If this product has such a cord, cable or wire, then the following warning applies: WARNING Handling the cord on this product or cords associated with accessories sold with this product will expose you to lead, a chemical known to the State of California to cause cancer, and birth defects or other...
Page 19: Chapter 1. Product Overview
• “Front view” on page 2 • “Right-side view” on page 6 • “Left-side view” on page 7 • “Rear view” on page 10 • “Bottom view” on page 9 • “Status indicators” on page 11 © Copyright Lenovo 2011...
Page 20: Front View
Front view ThinkPad Edge E420 front view Figure 1. ThinkPad Edge E420 front view UltraConnect wireless antennas (left) Integrated high sensitivity webcam Built-in microphone UltraConnect wireless antennas (right) Power switch Fingerprint reader System-status indicators (illuminated ThinkPad logo) Built-in stereo speaker (right)
Page 21 For details, refer to the instructions in “System-status indicators” on page 12 . Built-in stereo speaker (right) Built-in stereo speaker (left) The stereo speakers are built into your computer. For details, refer to the instructions in “ThinkPad Edge E420 special keys” on page 27. ® UltraNav TrackPoint pointing stick...
Page 22 For details, refer to the instructions in “ThinkPad Edge E420 special keys” on page 27. ThinkPad Edge E520 front view Figure 2. ThinkPad Edge E520 front view UltraConnect wireless antennas (left) Integrated high sensitivity webcam Built-in microphone UltraConnect wireless antennas (right)
Page 23 Built-in microphone The built-in microphone captures sound and voice when it is used with an application program capable of handling audio. Numeric keypad Your computer has a numeric keypad that can be used to quickly input numbers. Power switch Use the power switch to turn on the computer. To turn off your computer, use the Start menu shutdown options.
Page 24: Right-Side View
For details, refer to the instructions in “ThinkPad Edge E520 special keys” on page 29. Right-side view Figure 3. ThinkPad Edge E420 and E520 right-side view Note: Your computer keyboard might look different from the illustration above. Always On USB connector...
Page 25: Left-Side View
Your computer comes with a security keyhole. You can purchase a security cable and lock to fit this keyhole. Left-side view Figure 4. ThinkPad Edge E420 and E520 left-side view Note: Your computer keyboard might look different from the illustration above.
Page 26 For details, refer to the instructions in “Attaching an external monitor” on page 48. USB connectors The Universal Serial Bus connectors are used for connecting devices compatible with a USB interface, such as a printer or a digital camera. Note: Your computer is compatible with USB 1.1 and 2.0. eSATA/USB combo connector The Universal Serial Bus connectors are used for connecting devices compatible with a USB interface, such as a printer or a digital camera.
Page 27: Bottom View
Bottom view Figure 5. ThinkPad Edge E420 and E520 bottom view Battery SIM card slot PCI Express Mini Card slot for wireless WAN Memory-upgrade slot Hard disk drive PCI Express Mini Card slot for wireless LAN/WiMAX Battery Use your computer with battery power whenever ac power is unavailable.
Page 28: Rear View
Your computer might include a PCI Express Mini Card for wireless LAN/WiMAX in the PCI Express Mini Card slot which enables wireless LAN/WiMAX communications. Rear view Figure 6. ThinkPad Edge E420 and E520 rear view Ethernet connector Fan louvers (rear) Ethernet connector Connect your computer to a LAN with the Ethernet connector.
Page 29: Status Indicators
For details, refer to the instructions in “Access Connections” on page 21. Fan louvers (rear) The internal fan and louvers enable air to circulate in the computer and cool the central processor. Note: To avoid impeding airflow, do not place any obstacle in front of the fan. Status indicators The status indicators show the current status of your computer.
Page 30 System-status indicators Note: Your computer keyboard might look different from the illustration above. The illuminated dot in the ThinkPad logo on the outer lid of your computer and on the palm rest works as a system-status indicator: it shows whether the computer is in sleep (standby), hibernation, or normal mode. The meaning of the indicator is as follows: •...
Page 31: Locating Important Product Information
Certificate of Authenticity (COA) label. Machine type and model label The machine type and model label identifies your computer. If you contact Lenovo for help, the machine type and model number will enable support technicians to identify your computer and provide the highest level of service.
Page 32: Fcc Id And Ic Certification Number Label
You can find the machine type and model of your computer in the label as shown below: FCC ID and IC Certification number label There is no FCC ID or IC Certification number for the PCI Express Mini Card shown on the enclosure of your computer.
Page 33: Certificate Of Authenticity Label
You might need these numbers, to start your computer or reinstall the operating system. The Certificate of Authenticity label of your computer is shown as below: Features ThinkPad Edge E420 features Processor ® • To see the system properties of your computer, click Start, right-click Computer (in Windows XP, My Computer);...
Page 34 Memory • Double data rate 3 (DDR3) synchronous dynamic random access memory Storage device • 2.5-inch (64 mm) hard disk drive Display The color display uses TFT technology: • Size: 14.0 inch (355.6 mm) • Resolution: – LCD: Up to 1366-by-768 –...
Page 35: Thinkpad Edge E520 Features
ThinkPad Edge E520 features Processor • To see the system properties of your computer, click Start, right-click Computer (in Windows XP, My Computer); then from the pull down menu select Properties. Memory • Double data rate 3 (DDR3) synchronous dynamic random access memory Storage device •...
Page 36: Specifications
• Integrated WiMAX (on some models) Security features • Fingerprint reader (on some models) Specifications ThinkPad Edge E420 specifications Size • Width: 343.4 mm (13.52 inch) • Depth: 234 mm (9.21 inch) • Height: 29.3 to 33.1 mm (1.15 to 1.30 inch) Heat output •...
Page 37: Operating Environment
Do not eat or smoke over your keyboard. Particles that fall into your keyboard can cause damage. ThinkVantage technologies and software Lenovo preinstalls on your PC useful and helpful software applications to help you get started, to stay productive while on the move and to keep you and your computer working. Lenovo offers enhanced security, wireless computing, data-migration and other solutions for your computer.
Page 38: Accessing Applications In Windows 7
Click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools. Then depending on the application you want to access, double-click the corresponding icon. Note: If an application icon in the Lenovo ThinkVantage Tools application navigation window is dimmed, it indicates that you need to install the application manually. To install the application manually, double-click the application icon.
Page 39: Access Connections
Note: If you do not find the application you need in Control Panel, open the Lenovo ThinkVantage Tools application navigation window and double-click the dimmed icon to install the application you need. Then, follow the instructions on the screen. When the installation process completes, the application icon will be activated, and you can find the application in Control Panel.
Page 40: Active Protection System
For more information, see “Diagnosing problems” on page 131. To start the Lenovo Solution Center program in Windows 7, see “Accessing applications in Windows 7” on page 20. Lenovo ThinkVantage Tools...
Page 41: Lenovo Thinkvantage Toolbox
For additional information about the Lenovo Solution Center program, see “Lenovo Solutions Center” on page 22. The Lenovo ThinkVantage Toolbox program enables you to view symptoms of computer problems and find solutions for them. It also includes automatic notification when action is required, computing assistance, advanced diagnostics, and diagnostic history.
Page 42: Rescue And Recovery
(ThinkVantage applications, device drivers, UEFI Firmware updates, and other third party applications). Some examples of software that you should keep updated are programs provided by Lenovo, such as the Rescue and Recovery program. To open System Update, do the following: •...
Page 43: Chapter 2. Using Your Computer
“Using a flash media Card” on page 53 Registering your computer When you register your computer, information is entered into a database, which enables Lenovo to contact you in case of a recall or other severe problem. In addition, some locations offer extended privileges and services to registered users.
Page 44: Special Keys And Buttons
67. Getting connected in different locations is a challenge? • To troubleshoot a wireless networking issue, see http://www.lenovo.com/support/faq • Take advantage of the networking features by use of Access Connections. • To learn more about using the wireless features of your computer, refer to “Wireless connections” on page 40.
Page 45: Thinkpad Edge E420 Special Keys
• Pressing Fn for four seconds and the ThinkPad Keyboard Properties window is displayed. Then configure the key functionality as desired. ThinkPad Edge E420 special keys Your computer has several special keys . To take advantage of each function, directly press the desired key.
Page 46 Microphone mute (F4) When you press the microphone mute key, all of the recording devices are set on mute or unmute; this is the default setting. Camera mute (F5) During a video conference you can control the video streaming from the integrated camera by pressing this key.
Page 47: Thinkpad Edge E520 Special Keys
Windows key If you press this key, the Start menu of Windows is displayed or hidden. If you press this key and another key at the same time, the System Properties window or the Computer (in Windows XP, My Computer) window is displayed. For details, refer to the Help in the Windows operating system.
Page 48 When you press the microphone mute key, all of the recording devices are set on mute or unmute; this is the default setting. Camera mute (F5) During a video conference you can control the video streaming from the integrated camera by pressing this key.
Page 49: Using The Ultranav Pointing Device
If you press this key and another key at the same time, the System Properties window or the Computer (in Windows XP, My Computer) window is displayed. For details, refer to the Help in the Windows operating system. Numeric keypad You can use this numeric keypad to input numbers quickly.
Page 50 Note: Your computer keyboard may look slightly different from the illustration above. If you are not familiar with the TrackPoint, these instructions will help you get started: 1. Place your hands in the typing position, and press gently with either index finger on the pointing stick in the direction in which you want the pointer to move.
Page 51: Using The Touch Pad
Note: If you replace the keyboard, a new keyboard is shipped with the default cap. If you wish, you can keep the cap from your old keyboard and use it on the new one. Using the touch pad The touch pad consists of a pad and two click buttons below the TrackPoint buttons at the bottom of the keyboard.
Page 52: Behavior Of The Ultranav And An External Mouse
For Windows 7: 1. Click Start, and then click Control Panel. 2. Click Hardware and Sound, and then click Mouse. 3. Click the UltraNav tab and proceed to customizing the touch pad. For Windows XP: 1. Click Start, and then click Control Panel. 2.
Page 53: Power Management
3. Click the UltraNav tab. 4. Select the check box for Show UltraNav icon on the system tray. 5. Click OK or Apply. For Windows XP: 1. Click Start, and then click Control Panel. 2. Click Printers and Other Hardware, and then click Mouse. 3.
Page 54: Charging The Battery
3. Plug the power cord into an electrical outlet. Tips on using the ac power adapter • When the ac power adapter is not in use, disconnect it from the electrical outlet. • Do not bind the power cord tightly around the ac power adapter transformer pack when it is connected to the transformer.
Page 55: Power-Saving Modes
• For Windows XP: Click Start ➙ All Programs ➙ ThinkVantage ➙ Power Manager. For more information about the Power Manager program, refer to the on-line help of the program. Power-saving modes There are several modes that you can use at any time to conserve power. This section introduces each mode and gives tips on the effective use of the battery power.
Page 56: Handling The Battery
Do not attempt to disassemble or modify the battery pack. Attempting to do so can cause an explosion, or liquid leakage from the battery pack. A battery pack other than the one specified by Lenovo, or a disassembled or modified battery pack is not covered by the warranty.
Page 57 The battery pack is a consumable supply. If your battery begins to discharge too quickly, replace the battery pack with a new one of the type recommended by Lenovo. For more information on replacing the battery pack, contact your Customer Support Center.
Page 58: Connecting To The Network
Connecting to the network Your computer has one or more network adapters for connecting to the Internet and to your company's wired LAN or wireless LAN network. Note: Some models come with a built-in wireless WAN card enabling you to establish wireless connections over remote public or private networks.
Page 59 Making wireless LAN connections Your computer comes with a built-in wireless networking card and a configuration utility to help you make wireless connections and monitor the status of your connection, so that you can stay connected to your network while you are in the office, in a meeting room, or at home, with no need for a wired connection. Attention: •...
Page 60: Using Bluetooth
Using Bluetooth For Windows 7 If your computer is equipped with the Integrated Bluetooth features, you can enable or disable the features by pressing F9. If you press F9, a list of wireless features is displayed. You can enable or disable the Bluetooth features with a single click.
Page 61 If you are using Windows XP and want to use the Microsoft standard Bluetooth features, install the software by following the instructions in “Installing the Microsoft Bluetooth software in Windows XP” on page 44. For information about how to use the Bluetooth function, do as follows: 1.
Page 62 The Bluetooth Setup Wizard has the following capabilities: • Finding all Bluetooth-enabled devices that can provide services • Finding a specific Bluetooth-enabled device that you want to use, and configuring the services on that device • Configuring the Bluetooth-enabled services on your computer that are provided for remote devices •...
Page 63 2. Click Start ➙ Run. 3. Type C:\SWTOOLS\Drivers\TPBTooth\Setup.exe (or specify the full path to the setup.exe file you have downloaded from http://www.lenovo.com/support); then click OK. 4. Click Next. 5. Select I accept the terms in the license agreement; then click Next.
Page 64 You can find more detailed information about the signal strength and status of your wireless connection by opening Access Connections or by right-clicking the Access Connections Gauge in the task bar and selecting View Status of Wireless Connection. • Access Connections Gauge states: wireless LAN –...
Page 65: Using A Projector Or External Display
– Power to the wireless radio is on. The signal strength of the wireless connection is poor. To improve signal strength, move your system closer to the wireless access point. • Wireless status icon states: wireless WAN – Power to the WAN radio is off –...
Page 66: Connecting A Projector Or External Display
For Windows XP: 1. Right-click on the desktop, and click Properties. The Display Properties window opens. 2. Click the Appearance tab. 3. Under Font Size, click Large Fonts or Extra Large Fonts. 4. Click Apply to apply the settings. 5. Click OK. If you are prompted to restart the computer after you click OK or Apply, the change will take effect after the computer restarts.
Page 67 • If the external TFT monitor you connect has an analog interface, flickers or ripples may appear on some displays, such as the shutdown screen of Windows. This is caused by the external TFT monitor, and cannot be fixed by adjusting the external TFT monitor or the computer side settings. Setting the monitor types To set your monitor type, do as follows: For Windows 7:...
Page 68: Using Dual Displays
11. Click Update Driver. The Hardware Update Wizard appears. 12. Click No, not this time, and then click Next. 13. Select Install from a list or specific location (Advanced), and then click Next. 14. Select Don't search. I will choose the driver to install, and then click Next. 15.
Page 69: Using Audio Features
1. Connect the external monitor to the monitor connector; then connect the monitor to an electrical outlet. 2. Turn on the external monitor. 3. Press F6, then select Extend. To change the resolution for each monitor, do as follows: 1. Right-click on the desktop, and click Screen resolution. 2.
Page 70: Using An Integrated Camera
• Recording and playback of PCM and WAV files in 16-bit or 24-bit format. • Playback of a WAV file at a sample rate of 44.1KHz to 192 KHz. • Playback of MIDI files through a Wave table synthesizer under Microsoft Windows operating systems. •...
Page 71: Using A Flash Media Card
Using a flash media Card Your computer has one Media Card Reader slot. The Media Card Reader slot supports the following cards: • SD card • SDHC card • SDXC card • MultiMediaCard (MMC) Note: When transferring data to or from a media card, such as an SD card, do not put your computer in sleep (standby) or hibernation mode before the data transfer is complete.
Page 72: Removing A Flash Media Card
Removing a flash media card To remove a flash media card, do the following: For Windows 7: • Click the Show hidden icons in the task bar. • Right-click Safely Remove Hardware and Eject Media icon. • Select corresponding item to eject the card from the Windows operating system. •...
Page 73: Chapter 3. You And Your Computer
By keeping these considerations in mind, you can improve performance and achieve greater comfort. Lenovo is committed to providing the latest information and technology to our customers with disabilities. Refer to our accessibility information which outlines our efforts in this area.
Page 74: Adjusting Your Computer To Fit You
Note that there are many ThinkPad product solutions available to help you modify and expand your computer to best suit your needs. Access the following Web site to view some of these options: http://www.lenovo.com/accessories/services/index.html. Explore your options for and external products that can provide the adjustability and features that you want.
Page 75: Accessibility Information
Accessibility information Lenovo is committed to providing people with disabilities greater access to information and technology. As a result, the following information provides ways to help users that have hearing, vision, and mobility limitations get the most out of their computer experience.
Page 76: Travel Accessories
1. While it is safe to allow your computer to go through the x ray machines at airport security stations, it is important to keep your eyes on the computer at all times to prevent theft. 2. Consider bringing an airplane or automobile adapter for your computer. 3.
Page 77: Chapter 4. Security
Refer to the instructions shipped with the mechanical lock. Note: You are responsible for evaluating, selecting, and implementing the locking devices and security features. Lenovo makes no comments, judgments, or warranties about the function, quality, or performance of locking devices and security features.
Page 78: Passwords And Sleep (Standby) Mode
• “Hard disk security” on page 64 • “Supervisor password” on page 63 Passwords and sleep (standby) mode If you have set passwords and you put your computer into sleep (standby) mode, the procedure for resuming operation is as follows: •...
Page 79: Hard Disk Passwords
10. Commit your password to memory. Note: You might want to note your power-on password in a safe place. Otherwise, if you forget it, you have to take your computer to a Lenovo reseller or a marketing representative to have the password canceled.
Page 80 Lenovo cannot reset your passwords or recover data from the hard disk. You must take your computer to a Lenovo reseller or a marketing representative to have the hard disk drive replaced. Proof of purchase is required, and a fee will be charged for parts and service.
Page 81: Supervisor Password
• To change the master hard disk password, type the current master hard disk password in the Enter Current Password field. Then type the new master hard disk password in the Enter New Password field, and retype the password you just entered to verify it in the Confirm New Password field. Press Enter, and a Setup Notice window is displayed.
Page 82: Hard Disk Security
Attention: You might want to note your password and keep it in a safe place. If you forget your supervisor password, Lenovo can not reset your password. You must take your computer to a Lenovo reseller or a Lenovo marketing representative to have the system board replaced. Proof of purchase is required, and a fee will be charged for parts and service.
Page 83: Using A Fingerprint Reader
To use the integrated fingerprint reader, begin by enrolling your fingerprint as follows: 1. Turn on your computer. 2. To start Lenovo Fingerprint software, refer to “Fingerprint Software” on page 22. 3. Follow the instructions on the screen to enroll your fingerprint. For details, refer to the Help for the program.
Page 84 2. Apply light pressure and swipe your finger across the reader in one smooth motion. Note: Your computer keyboard might look different from the illustration above. Care for the fingerprint reader The following actions could damage the fingerprint reader or cause it not to work properly: •...
Page 85: Notice On Deleting Data From Your Hard Disk Drive
But we recommend that you make use of the software (payware) or service (pay service) specifically developed for the purpose. For disposing of data on the hard disk drive, Lenovo provides the Secure Data Disposal tool. To download the application, go to: http://www.lenovo.com/support...
Page 86 User Guide...
Page 87: Chapter 5. Recovery Overview
Chapter 5. Recovery overview This chapter provides information about the recovery solutions provided by Lenovo. This chapter contains the following topics: • “Creating and using recovery media” on page 69 • “Performing backup and recovery operations” on page 71 •...
Page 88: Creating Recovery Media
“creating Product Recovery discs.” • To create recovery media on the Windows 7 operating system, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Factory Recovery Disks. Then, follow the instructions on the screen.
Page 89: Performing Backup And Recovery Operations
• To perform a backup operation using the Rescue and Recovery program on the Windows 7 operating system, do the following: 1. From the Windows desktop, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Enhanced Backup and Restore. The Rescue and Recovery program opens.
Page 90: Using The Rescue And Recovery Workspace
4. Follow the instructions on the screen to complete the recovery operation. • To perform a recovery operation using the Rescue and Recovery program on the Windows XP operating system, do the following: 1. From the Windows desktop, click Start ➙ All Programs ➙ ThinkVantage ➙ Rescue and Recovery. The Rescue and Recovery program opens.
Page 91: Creating And Using A Rescue Medium
• To create a rescue medium on the Windows 7 operating system, do the following: 1. From the Windows desktop, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Enhanced Backup and Restore. The Rescue and Recovery program opens.
Page 92: Reinstalling Preinstalled Applications And Device Drivers
3. On the Startup Device Menu, select the desired optical drive as the first boot device. Then, insert the rescue disc into the optical drive and press Enter. The rescue medium starts. • If you have created a rescue medium using a USB hard disk drive, use the following instructions to use the rescue medium: 1.
Page 93: Solving Recovery Problems
Double-click the file, and follow the instructions on the screen. Attention: If you need updated device drivers, do not download them from the Windows Update Web site. Obtain them from Lenovo. For more information, see “Making sure device drivers are current” on page 126. Solving recovery problems...
Page 94 User Guide...
Page 95: Chapter 6. Replacing Devices
Replacing the battery Before you start, print these instructions. This system may not support batteries that are not genuine Lenovo-made or authorized. These systems will continue to boot, but may not charge unauthorized batteries. Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use.
Page 96 If the rechargeable battery pack is incorrectly replaced, there is danger of an explosion. The battery pack contains a small amount of harmful substances. To avoid possible injury: • Replace only with a battery of the type recommended by Lenovo. • Keep the battery pack away from fire.
Page 97: Replacing The Hard Disk Drive
Before you start, print these instructions. You can replace the hard disk drive with a new one which can be purchased from your Lenovo reseller or a marketing representative. To replace the hard disk drive, read the following prerequisites, and select your model from the list below for instruction.
Page 98 3. Remove the battery. For more information about how to remove the battery, refer to “Replacing the battery” on page 77. 4. Loosen the screws , and then remove the cover 5. Remove the screws , and then slide the hard disk drive towards the front of the system User Guide...
Page 99 6. Remove the hard disk drive by lifting its upper side. 7. Place the new hard disk drive from the lower side as shown in the picture. 8. Slide the hard disk drive firmly into the connector , and then reinstall the screws Chapter 6 Replacing devices...
Page 100: Replacing The Optical Drive
11. Turn the computer over again. Connect the ac power adapter and the cables to the computer. Replacing the optical drive ThinkPad Edge E420 Before you start, print these instructions. An optical drive is preinstalled in the bay. If it needs to be repaired, remove it as follows: 1.
Page 101 5. Loosen the screw. 6. Pull out the drive. To install a repaired drive or a new one, do as follows: Chapter 6 Replacing devices...
Page 102 1. Insert the drive in the bay, and then press it firmly into the connector. 2. Reinstall the screw. 3. Attach the cover , pivot it downwards, and then tighten the screws 4. Put the battery in place. User Guide...
Page 103: Thinkpad Edge E520
5. Turn the computer over again. Connect the ac power adapter and the cables to the computer; then turn it on. ThinkPad Edge E520 Before you start, print these instructions. An optical drive is preinstalled in the bay. If it needs to be repaired, remove it as follows: 1.
Page 104: Installing And Replacing The Pci Express Mini Card For Wireless Wan
1. Insert the drive in the bay, and then press it firmly to the connector. 2. Reinstall the screw , and tighten it 3. Put the battery in place. 4. Turn the computer over again. Connect the ac power adapter and the cables to the computer; then turn it on.
Page 105 DANGER Electric current from power, telephone, and communication cables is hazardous. To avoid shock hazard, disconnect the cables before opening the cover of this slot. Attention: Before you start installing a PCI Express Mini Card, touch a metal table or a grounded metal object.
Page 106 5. If a tool for removing connectors is included in the package with the new card, use it to disconnect the cables from the card. If no such tool is included, disconnect the cables by picking up the connectors with your fingers and gently unplugging them. 6.
Page 107 7. Align the contact edge of the new PCI Express Mini Card with the corresponding socket . Pivot the card until you can snap it into place. Secure the card with the screw 8. Connect the antenna cables to the new PCI Express Mini Card as shown in the drawing. 9.
Page 108: Installing And Replacing A Pci Express Mini Card For Wireless Lan/Wimax Connection
10. Reinstall the battery. For more information about how to reinstall the battery, refer to “Replacing the battery” on page 77. 11. Turn the computer over again. Connect the ac power adapter and cables to the computer; then turn it on. Installing and replacing a PCI Express Mini Card for wireless LAN/WiMAX connection Before you start, print these instructions.
Page 109 5. If a tool for removing connectors is included in the package with the new card, use it to disconnect the cables from the card. If no such tool is included, disconnect the cables by picking up the connectors with your fingers and gently unplugging them. 6.
Page 110 7. Align the contact edge of the new PCI Express Mini Card with the corresponding socket . Pivot the card until you can snap it into place. Secure the card with the screw 8. Connect the antenna cables to the new PCI Express Mini Card as shown in the drawing. 9.
Page 111: Replacing Memory
10. Reinstall the battery. For more information about how to reinstall the battery, refer to “Replacing the battery” on page 77. 11. Turn the computer over again. Connect the ac power adapter and cables to the computer; then turn it on. Replacing memory Before you start, print these instructions.
Page 112 5. If the two SO-DIMMs are already in the memory slots, press out on the latches on both edges of the socket at the same time , and then remove an SO-DIMM to make room for the new one. Be sure to save it for future use.
Page 113: Replacing The Keyboard
DANGER Electric current from power, telephone, and communication cables is hazardous. To avoid shock hazard, disconnect the cables before opening the cover of this slot. ThinkPad Edge E420 Removing the keyboard To remove the keyboard, do the following: 1. Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait for a few minutes, till the inside of the computer cools, before you start the following procedures.
Page 114 4. Loosen the screws , and then remove the cover 5. Remove the screws 6. Push hard in the direction shown by the arrows in the drawing to unlatch the front side of the keyboard. The keyboard will open up slightly User Guide...
Page 115 7. Remove the cables by flipping the connectors upwards. Now the keyboard has been removed. Installing the keyboard To install the keyboard, do the following: 1. Attach the cables. Chapter 6 Replacing devices...
Page 116 2. Insert the keyboard. Make sure that the rear edges of the keyboard are under the frame, as shown by the arrows. 3. Slide the keyboard as shown by the arrows. 4. Reinstall the screws User Guide...
Page 117: Thinkpad Edge E520
5. Attach the cover , pivot it downwards, and then tighten the screws 6. Reinstall the battery. For more information about how to reinstall the battery, refer to “Replacing the battery” on page 77. 7. Turn the computer over again. Connect the ac power adapter and cables to the computer; then turn it on. ThinkPad Edge E520 Removing the keyboard To remove the keyboard, do the following:...
Page 118 5. Remove the screws 6. Push hard in the direction shown by the arrows in the drawing to unlatch the front side of the keyboard. The keyboard will open up slightly User Guide...
Page 119 7. Remove the cables by flipping the connectors upwards. Now the keyboard has been removed. Installing the keyboard To install the keyboard, do the following: 1. Attach the cables. Chapter 6 Replacing devices...
Page 120 2. Insert the keyboard. Make sure that the rear edges of the keyboard are under the frame, as shown by the arrows. 3. Slide the keyboard as shown by the arrows. User Guide...
Page 121: Replacing The Sim Card
4. Reinstall the screws 5. Attach the cover , pivot it downwards, and then tighten the screws 6. Reinstall the battery. For more information about how to reinstall the battery, refer to “Replacing the battery” on page 77. 7. Turn the computer over again. Connect the ac power adapter and cables to the computer; then turn it on. Replacing the SIM card Before you start, print these instructions.
Page 122 Note: The SIM card is identified by the IC chip mounted on one side of the card. Replacement instructions To replace the SIM card, do as follows: 1. Turn off the computer; then disconnect the ac power adapter and all cables from the computer. 2.
Page 123: Chapter 7. Enhancing Your Computer
Options include memory, storage, networking adapters, and port replicators, batteries, power adapters, printers, scanners, keyboards, mice, and more. You can shop at Lenovo 24 hours a day, 7 days a week directly over the World Wide Web. All you need is an Internet connection and a credit card.
Page 124 User Guide...
Page 125: Chapter 8. Advanced Configuration
• If you cannot find the Supplement files, the device drivers, and application software you need on your hard disk drive, or if you want to receive updates and the latest information about them, refer to the ThinkPad Web site at http://www.lenovo.com/ThinkPadDrivers. Before you begin Before you install the operating system, do the following: •...
Page 126: Installing Windows 7
• Denmark: DK • Finland: FI • France: FR • Germany: GR • Italy: IT • Japan: JP • Netherlands: NL • Norway: NO • Spain: SP • Sweden: SV • Taiwan and Hong Kong: TC • United States: US Installing Windows 7 To install Windows 7 and its related software on your computer, do as follows: 1.
Page 127: Installing Windows Xp
not true: If you remove the hard disk drive from a computer with a dual-core processor and install it on a computer with a single-core processor, you cannot get access to the hard disk drive. Installing Windows XP Before you start, print these instructions. Note: Your computer supports Windows XP with Service Pack 3.
Page 128 17. Install the Intel Chipset Support for Windows 2000/XP/Vista/7. To do this, refer to “Installing Intel Chipset Support for Windows 2000/XP/Vista/7” on page 112. 18. Apply the PCMCIA Power Policy Registry Patch. To do this, go to C:\SWTOOLS\OSFIXES\PCMCIAPW\, double-click install.bat, and then follow the instructions that appear on the screen. 19.
Page 129: Installing Device Drivers
Installing the driver for 4-in-1 media card reader To use the 4-in-1 media card reader, you need to download and install the Ricoh Multi Card Reader Driver for Windows 7/Vista and Windows XP x86/x64. To download it, go to the Lenovo Web site at: http://www.lenovo.com/ThinkPadDrivers...
Page 130: Installing Intel Chipset Support For Windows 2000/Xp/Vista/7
Note: If you cannot find the Supplement files, device drivers, and application software you need on your hard disk drive, or if you want to receive updates and the latest information about them, refer to the ThinkPad Web site at: http://www.lenovo.com/ThinkPadDrivers User Guide...
Page 131: Thinkpad Setup
ThinkPad Setup Your computer provides a program, called ThinkPad Setup, that enables you to select various setup parameters. To start ThinkPad Setup, do as follows: 1. To protect yourself against accidental loss of data, back up your computer registry. See “Performing backup and recovery operations”...
Page 132: Date And Time Menu
• In each submenu, you can enable a function by selecting Enabled, or disable it by selecting Disabled. The following submenu is displayed: • Network: Set the LAN function. • USB: Enable or disable USB related functions. • Keyboard/Mouse: Set the keyboard and the mouse related functions. •...
Page 133: Startup Menu
• Lock UEFI Settings • Set Minimum Length • Password at unattended boot • Password at restart • Power-On Password • Hard Disk x Password Notes: • Hard Disk 1 means the hard disk drive built into your computer. Lock UEFI Settings enables or disables the function that protects items in the ThinkPad Setup from being changed by a user who does not have the supervisor password.
Page 134: Restart Menu
1. Turn off the computer. 2. Turn on the computer; then, while the “To interrupt normal startup, press Enter” message is displayed at the lower-left of the screen, press F12. 3. Select the device you want to start first from the Boot menu. Note: The Boot menu will be shown when the system that cannot boot from any devices or operating system was not found.
Page 135 • Disabled means that the function is not configured. • Default values are in boldface. Config menu items Table 4. Config menu items Menu item Submenu item Selection Comments Network Ethernet LAN Option ROM • Disabled Loads the Ethernet LAN Option ROM to enable •...
Page 136 Table 4. Config menu items (continued) Menu item Submenu item Selection Comments Change to “F1–F12 keys” • Default If you select “Default”, pressing F1–F12 initiates • Legacy special functions illustrated on each key. If you select “Legacy”, you can use F1–F12 as standard function keys.
Page 137 Table 4. Config menu items (continued) Menu item Submenu item Selection Comments Express activity. You usually don't need to change this function. Beep and Alarm Power Control Beep • Disabled If this function is enabled, a beep sounds when the •...
Page 138 Security menu items Table 5. Security menu items Menu item Submenu item Selection Comments Password Refer to “Security menu” on page 114 and “Using passwords” on page 59. UEFI Update Option Flash UEFI Updating by • Disabled If you select “Enabled”, End-Users all users can update the •...
Page 139 Table 5. Security menu items (continued) Menu item Submenu item Selection Comments Bluetooth • Disabled If you select “Enabled”, you can use the Bluetooth • Enabled device. • Disabled If you select “Enabled”, you USB Port can use the USB port. •...
Page 140 Startup menu items Table 6. Startup menu items Menu item Selection Comments Boot Refer to “Startup menu” on page 115. Network Boot Refer to “Startup menu” on page 115. UEFI/Legacy Boot • Both Enable the UEFI/Legacy boot. • UEFI Only •...
Page 141: Updating Your System Uefi Bios
In some instances when you add software, hardware, or a device driver, you may be informed that you need to update your UEFI BIOS in order for the new addition to work properly. To update your UEFI BIOS, go to the following Web site and follow the instructions on the screen: http://www.lenovo.com/ThinkPadDrivers Chapter 8 Advanced configuration...
Page 142 User Guide...
Page 143: Chapter 9. Preventing Problems
9. Profile your machine athttp://www.lenovo.com/support to keep up to date with current drivers and revisions. 10. Keep up to date for device drivers on other non-Lenovo hardware. You might want to read the device driver information release notes prior to updating for compatibility or known issues.
Page 144: Making Sure Device Drivers Are Current
This may eliminate the driver as the potential cause of the problem. Getting the latest drivers from the Web site You can download and install updated device drivers from the Lenovo Web site by doing the following: 1. Connect to the Internet.
Page 145: Taking Care Of Your Computer
Taking care of your computer Although your computer is designed to function reliably in normal work environments, you need to use common sense in handling it. By following these important tips, you will get the most use and enjoyment out of your computer. Be careful about where and how you work DANGER Your computer has an Ethernet connector.
Page 146: Cleaning The Cover Of Your Computer
Take care in setting passwords • Remember your passwords. If you forget a supervisor or hard disk password, Lenovo will not reset it, and you might have to replace your system board or hard disk drive.
Page 147 1. Prepare a mixture of a gentle kitchen-use detergent (one that does not contain abrasive powder or strong chemicals such as acid or alkaline). Use 5 parts water to 1 part detergent. 2. Absorb the diluted detergent into a sponge. 3.
Page 148 User Guide...
Page 149: Chapter 10. Troubleshooting Computer Problems
Note: If you are unable to isolate and repair the problem yourself after running the program, save and print the log files created by the program. You will need the log files when you speak to a Lenovo technical support representative.
Page 150: Troubleshooting
Note: If you are unable to isolate and repair the problem yourself after running the program, save and print the log files created by the program. You will need the log files when you speak to a Lenovo technical support representative.
Page 151: Spills On The Keyboard
4. Before turning on your computer, make sure that all the liquid has dried. Note: If you want to replace your keyboard, contact the Customer Support Center. Refer to “Calling Lenovo” on page 161. Error messages • Message: 0175: Bad CRC1, stop POST task.
Page 152 – If the computer stops during the test, have the computer serviced. • Message: 0230: Shadow RAM error. Solution: The shadow RAM failed. Test your computer's memory with “Lenovo ThinkVantage Toolbox” on page 131. If you added a memory module just before turning the computer on, reinstall it. Then test the memory with Lenovo ThinkVantage Toolbox.
Page 153 Solution: The extended RAM failed. Test your computer's memory with “Lenovo ThinkVantage Toolbox” on page 131. If you have increased memory just before turning the computer on, reinstall it. Then test the memory with Lenovo ThinkVantage Toolbox. • Message: 0250: System battery error.
Page 154 Solution: The daughter card is not supported on this computer. Remove it. • Message: 1805: Unauthorized Wireless USB card is plugged in - Power off and remove the Wireless USB card. Solution: The Wireless USB card is not supported on this computer. Remove it. •...
Page 155: Errors Without Messages
Solution: The thermal sensor is not functioning correctly. Have the computer serviced. Device not found Check the device you want to boot from. Device error Check the device you want to boot from. No valid operating system Check that the operating system has no failure and is installed correctly. Excluded from boot order Open the ThinkPad Setup and add the device to boot order.
Page 156: Beep Errors
Solution: Your screen saver or power management may be enabled. Do either of the following: – Touch the TrackPoint or the touch pad, or press a key to exit the screen saver. – Press the power switch to resume from sleep (standby) or hibernation. Beep errors Table 7.
Page 157: A Wireless Lan Problem
2. Click Hardware and Sound. 3. Click Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. 4. If the ! mark is to the left of the adapter name under Network adapters, you might not use the correct driver or the driver is not enabled.
Page 158: Bluetooth Problems
Note: If your computer is a Windows 7 model, to display the Access Connections status icon and the wireless status icon in the system tray, refer to the Access Connections on-line help. Check Network Name (SSID), and your encryption information. Use Access Connections to verify this case-sensitive information.
Page 159 • Problem: You search for a Bluetooth-enabled device by clicking View devices in range in My Bluetooth Places, but you cannot find anything. Solution: Make sure that the device to which you want to connect is enabled for the Bluetooth connection. After making sure of the above, turn the Bluetooth power off and then on again, or restart your computer.
Page 160 • Problem: Bluetooth serial port was disconnected automatically. Solution: When any serial-based connection is established, an inactivity timer starts. If no application opens the port, the connection is ended automatically. This is a normal characteristic of the serial-based connection and is not a defect. If you need the Bluetooth serial port, just reconnect it. •...
Page 161: Keyboard And Other Pointing Devices
Keyboard and other pointing devices The following are the most common keyboard and other pointing devices problems: UltraNav problems • Problem: The pointer drifts when the computer is turned on or after it resumes normal operation. Solution: The pointer might drift when you are not using the TrackPoint during normal operation. This is a normal characteristic of the TrackPoint and is not a defect.
Page 162: Display And Multimedia Devices
• Problem: All or some keys on the external numeric keypad do not work. Solution: Make sure that the external numeric keypad is correctly connected to the computer. Display and multimedia devices This section includes the most common display and multimedia devices problems which are Computer screen, External monitor, Audio, and Optical drive.
Page 163: External Monitor Problems
Note: The device driver name depends on the video chip that has been installed on your computer. 7. Click the Properties button. Check the “Device status” box and make sure the device is working properly. If not, click the Troubleshoot button. 8.
Page 164 Note: The device driver name depends on the video chip that has been installed on your computer. 6. Click OK. If the information is incorrect, reinstall the device driver. See below for more information. For Windows XP: 1. Right-click on the desktop, and click Properties to open the Display Properties window. 2.
Page 165 3. Press F6 to change the display output location to the external monitor. Note: After pressing F6, you will need to wait for a moment before the image appears. 4. Right-click on the desktop, and click Properties to open the Display Properties window. 5.
Page 166 Note: After pressing F6, you will need to wait for a moment before the image appears. 4. Right-click on the desktop, and click Properties to open the Display Properties window. 5. Click the Settings tab. 6. Click Advanced. 7. Click the Monitor tab. 8.
Page 167: Audio Problems
• Problem: Display switching does not work. Solution: If you use the Extend desktop function, disable it, and change the display output location. If a DVD movie or a video clip is playing, stop the playback, close the application, and then change the display output location.
Page 168 For Windows 7: 1. Click Start ➙ Control Panel. 2. Click Hardware and Sound 3. Click Sound. 4. Click the Recording tab in the Sound window. 5. Select Microphone, and click the Properties button. 6. Click the Levels tab, and move the Microphone Boost slider upwards. 7.
Page 169: Fingerprint Reader Problems
Solution: You can still hear some sound even though you have set the Master volume control at minimum. To turn off the sound completely, go to the Master volume control and select Mute speakers (Mute in Windows XP ). Fingerprint reader problems •...
Page 170: Power Problems
Solution: Discharge and recharge the battery pack. If your battery's operating time is still short, use a new battery pack. • Problem: The computer does not operate with a fully charged battery pack. Solution: The surge protector in the battery pack might be active. Turn off the computer for one minute to reset the protector;...
Page 171: A Power Button Problem
If you receive an error message while the operating system is loading the desktop configuration after the POST is completed, check the following items: 1. Visit the Lenovo Support Web site at http://www.lenovo.com/support and search for the error message. 2. Visit the Microsoft Knowledge Base homepage at http://support.microsoft.com/ and search for the error message.
Page 172: Drives And Other Storage Devices
Solution: Check whether an external monitor was disconnected or turned off while the computer was in sleep (standby) mode. If you disconnected or turned off the external monitor, connect it or turn it on before resuming the computer from the sleep (standby) mode. When resuming the computer from the sleep (standby) mode without attaching the external monitor or turning it on, and the computer display remains blank, press F6 to bring up the computer display.
Page 173 Solution: Make sure that the computer is turned on and a CD, DVD, or CD-RW is properly loaded on the center pivot of the drive. (You should hear a click.) Make sure that the drive connector is firmly connected to the computer. If you use an option that has a bay for installing the drive, make sure that the option is firmly connected to the computer and works properly.
Page 174: Software Problems
• Problem: When you try to write to a DVD-RW disc that has been loaded into a DVD-RAM/CD-RW combination drive on your computer, you cannot write to it, and the following error message may be displayed: “The disc in the drive is not a writable CD or it is full. Please insert a blank, writable CD into drive D:\, or insert a disc with enough free space to hold all the files you have selected for writing to CD.”...
Page 175 3. Click Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. For Windows XP: 1. Click Start ➙ Control Panel. 2. Click Performance and Maintenance, and click System. 3. Click the Hardware tab, and click the Device Manager button. Refer to “Diagnosing problems”...
Page 176 User Guide...
Page 177: Chapter 11. Getting Support
Register your computer Register your ThinkPad products with Lenovo, go to: http://www.lenovo.com/register. This can help authorities return your computer to you if it is lost or stolen. Registering your computer also enables Lenovo to notify you about possible technical information and upgrades.
Page 178: Getting Help And Service
Lenovo to assist you. This section contains information about where to go for additional information about Lenovo and our products, what to do if you experience a problem with your computer, and whom to call for service should it be necessary.
Page 179: Calling Lenovo
• Lenovo hardware repair - If the problem is determined to be caused by Lenovo hardware under warranty, trained service personnel are available to provide the applicable level of service.
Page 180 User Guide...
Page 181: Appendix A. Regulatory Information
Usage environment and your health Integrated wireless cards emit radio frequency electromagnetic energy like other radio devices. However, the level of energy emitted is far much less than the electromagnetic energy emitted by wireless devices like for example mobile phones. © Copyright Lenovo 2011...
Page 182: Location Of The Ultraconnect Wireless Antennas
Due to the fact that integrated wireless cards operate within the guidelines found in radio frequency safety standards and recommendations, Lenovo believes they are safe for use by consumers. These standards and recommendations reflect the consensus of the scientific community and result from deliberations of panels and committees of scientists who continually review and interpret the extensive research literature.
Page 183: Locating Wireless Regulatory Notices
For more information about the wireless regulatory notices, refer to the Regulatory Notice shipped with your computer. If your computer is shipped without the Regulatory Notice, you can find it on the Web site at: http://www.lenovo.com/support To view the Regulatory Notice on the Web site, do the following: Appendix A. Regulatory information...
Page 184: Export Classification Notice
Classification Control Number (ECCN) of 4A994.b. It can be re-exported except to any of the embargoed countries in the EAR E1 country list. Electronic emission notices The following information refers to the ThinkPad Edge E420 and E520, machine types 1141, 1143, 1144, and 1167. Federal Communications Commission Declaration of Conformity This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
Page 185: European Union - Compliance To The Electromagnetic Compatibility Directive
Geräte der Klasse B. Dieses Gerät ist berechtigt, in Übereinstimmung mit dem Deutschen EMVG das EG-Konformitätszeichen - CE - zu führen. Verantwortlich für die Konformitätserklärung nach Paragraf 5 des EMVG ist die Lenovo (Deutschland) GmbH, Gropiusplatz 10, D-70563 Stuttgart. Informationen in Hinsicht EMVG Paragraf 4 Abs. (1) 4: Das Gerät erfüllt die Schutzanforderungen nach EN 55024 und EN 55022 Klasse B.
Page 186: Japan Vcci Class B Compliance Statement
For additional regulatory information, refer to the Regulatory Notice shipped with your computer. If your computer is shipped without the Regulatory Notice, you can find it at the Web site http://www.lenovo.com/support. For details, refer to the instructions on “Locating wireless regulatory notices” on page 165.
Page 187: Appendix B. Weee And Recycling Statements
Collecting and recycling a disused Lenovo computer or monitor If you are a company employee and need to dispose of a Lenovo computer or monitor that is the property of the company, you must do so in accordance with the Law for Promotion of Effective Utilization of Resources.
Page 188: Recycling Information For Brazil
If you want to replace it with a new one, contact your place of purchase or ask for a repair service provided by Lenovo. If you have replaced it by yourself and want to dispose of the disused lithium battery, insulate it with vinyl tape, contact your place of purchase, and follow their instructions.
Page 189: Battery Recycling Information For The United States And Canada
Customer participation is important to minimize any potential effects of batteries and accumulators on the environment and human health due to the potential presence of hazardous substances. For proper collection and treatment, go to: http://www.lenovo.com/lenovo/environment Appendix B. WEEE and recycling statements...
Page 190 User Guide...
Page 191: Appendix C. Notices
Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
Page 192: Trademarks
Trademarks The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo Access Connections Active Protection System Rescue and Recovery ThinkPad ThinkVantage TrackPoint UltraConnect UltraNav Intel and Intel SpeedStep are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries.
Page 194 Part Number: (1P) P/N:...

This manual is also suitable for:

Thinkpad edge e520 114155u

Lenovo ThinkPad Edge E420 User Manual

Read this First

Chapter 1. Product Overview

Chapter 2. Using Your Computer

Chapter 3. You and Your Computer

Chapter 4. Security

Chapter 5. Recovery Overview

Chapter 6. Replacing Devices

Chapter 7. Enhancing Your Computer

Chapter 8. Advanced Configuration

Chapter 9. Preventing Problems

Chapter 10. Troubleshooting Computer Problems

Chapter 11. Getting Support

Appendix A. Regulatory Information

Appendix B. WEEE and Recycling Statements

Appendix C. Notices

Quick Links

User Guide

Troubleshooting

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