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Lenovo B41-80/B51-80 User Guide Read the safety notices and important tips in the included manuals before using your computer.
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Notes • Before using the product, be sure to read Lenovo Safety and General Information Guide first. • Some instructions in this guide may assume that you are using ® ® Windows 7 or Windows 10. If you are using other Windows operating systems, some operations may be slightly different.
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Lenovo User Guide Instructions and technical information in this manual are applicable to the following Lenovo notebook computers unless otherwise stated. Model name Lenovo B41-80 80LG Lenovo B51-80 80LM...
Operating system interfaces ..................15 Putting the computer to sleep or shutting it down ..........18 Connecting to a wireless network ................20 Get help from Windows...................21 Chapter 3. Lenovo OneKey Recovery system ........22 Chapter 4. Troubleshooting ..............24 Frequently asked questions ..................24 Troubleshooting ......................27 Appendix A.
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Chapter 1. Getting to know your computer B51-80 Note: The dashed areas indicate parts that are invisible from the outside. • The illustrations may differ from the actual product. Please refer to the actual product. • Attention: • Do not open the display panel beyond 130 degrees. When closing the display panel, be careful not to leave pens or any other objects in between the display panel and the keyboard.
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Chapter 1. Getting to know your computer Integrated camera Used for video communication or taking photos. (on select models) Built-in microphone Used for video conferencing, voice narration, or audio recording. (on select models) Connects to a wireless adapter to receive and send Wireless antennas wireless radio signals.
Chapter 1. Getting to know your computer Using the keyboard Your computer has a numeric keypad, hotkeys, and function keys incorporated in its standard keyboard. Numeric keypad (Applicable for B51-80) The keyboard has a separate numeric keypad. To enable or disable the keypad, press the Numeric Lock key (Num Lock).
Chapter 1. Getting to know your computer Function key combinations To use the function key combinations, press the Fn key , then press one of the function keys B41-80 B51-80 Home PgUp PgDn Insert PrtSc Delete Pause Break ScrLk SysRq The following is a brief introduction to the function key combinations.
To use the Lenovo OneLink connector, you need to remove the connector cover from the Lenovo OneLink connector first. Note: Ensure that you keep the connector cover. Reattach it to the Lenovo OneLink connector when you are not using the Lenovo OneLink connector.
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Chapter 1. Getting to know your computer Ventilation slots Dissipates internal heat. Attention: • Make sure that none of the ventilation slots are blocked or else overheating of the computer may occur. Connects to external display devices. VGA port RJ-45 port Connects the computer to an Ethernet network.
Chapter 1. Getting to know your computer Connecting USB devices You can connect a USB device to your computer by inserting its USB plug (Type A) into the USB port on your computer. The first time you plug a USB device into a USB port on your computer, Windows automatically installs a driver for that device.
Chapter 1. Getting to know your computer Connecting to a wired network Wired connections are a reliable and safe way to connect the computer to the Internet. Cable Internet services use a cable modem connected to Cable the residential cable TV line. DSL is a family of related technologies that bring high speed network access to homes and small businesses over ordinary telephone lines.
Connects to USB devices. For details, see “Connecting USB port USB devices” on page 8. Novo button When the computer is off, press this button to start the Lenovo OneKey Recovery system, or to startup normally, or the BIOS setup utility, or to enter the boot menu.
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• You are responsible for evaluating, selecting, and implementing the locking devices and security features. Lenovo offers no comment, judgment, or warranty regarding the function, quality, or performance of locking devices and security features. Optical drive Reads/Burns an optical discs.
Chapter 1. Getting to know your computer Hard disk drive indicator When this indicator is on, the hard disk drive is reading or writing data. Attention: When the indicator is on, do not put the computer into sleep mode or turn off the •...
Chapter 2. Starting to use Windows 10 Configuring the operating system for the first time - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - You may need to configure the operating system when it is first used.
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Chapter 2. Starting to use Windows 10 The ACTION CENTER Select the ACTION CENTER icon on the taskbar and the ACTION CENTER is displayed. From the ACTION CENTER, you can examine important notifications from Windows and your apps. Moreover, you can change common settings quickly.
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Chapter 2. Starting to use Windows 10 • Click New desktop. To switch between desktops, click the task view icon , then select your desired desktop.
Chapter 2. Starting to use Windows 10 Putting the computer to sleep or shutting it down - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - When you have finished working with your computer, you can put it to sleep or shut it down.
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Chapter 2. Starting to use Windows 10 Shutting down the computer If you are not going to use your computer for a long time, shut it down. To shut down your computer, do one of the following: • For the Windows 7 operating system: →...
Chapter 2. Starting to use Windows 10 Get help from Windows - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - If you have a problem with the operating system, see the Windows Get Started app.
You can back up the system partition to an image file. To back up the system partition, do the following: 1 Click OneKey Recovery on the home screen to start the Lenovo One Key Recovery system. 2 Click System Backup.
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The above instructions should be followed when Windows can be started normally. • When the computer is in hibernation status, you can not start the Lenovo OneKey Recovery • system by pressing the Novo button for Windows 7 system.
Where can I find warranty information? For the warranty applicable to your computer, including the warranty period and type of warranty service, see the Lenovo limited warranty flyer. Drivers and preinstalled software Where are the installation discs for Lenovo preinstalled software (desktop...
Chapter 4. Troubleshooting Lenovo OneKey Recovery system Where are the recovery discs? Your computer did not come with recovery discs. Use the recovery system if you need to restore the system to its factory status. What can I do if the back-up process fails?
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Legacy First. The legacy operating system cannot be installed if you do not change the boot priority. Getting help How can I contact the customer support center? See “Chapter 3. Getting help and service” of Lenovo Safety and General Information Guide.
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• If you forget your user password, you must ask the system administrator to reset your user password. • If you forget your HDD password, a Lenovo authorized servicer cannot reset your password or recover data from the hard disk. You must take your...
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Chapter 4. Troubleshooting Sound problems No sound can be heard • Make sure that: from the speakers even - The mute function is off. when the volume is turned - The combo audio jack is not used. - The speakers are selected as the playback device. Battery problems •...
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EFI list in the BIOS setup utility correctly. • Press F12 when the Lenovo logo appears on the screen while the computer is starting up to select the device you want the computer starts from.
Notes: • The illustrations used in this chapter are of the Lenovo B51-30, unless otherwise stated. The illustrations in this manual might differ from the actual product. Please refer to the • actual product.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - You can increase the storage capacity of your computer by replacing the hard disk drive with one of greater capacity. You can purchase a new hard disk drive from your reseller or Lenovo marketing representative. Notes: •...
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Appendix A. CRU instructions To replace the hard disk drive, do the following: 1 Remove the battery pack. For details, see “Replacing the battery pack” on page 32. 2 Remove the screws , and then remove the bottom slot cover 3 Remove the frame fixing screws...
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Appendix A. CRU instructions 4 Remove the hard disk drive by gently pulling it in the direction of the arrow 5 Remove the screws and detach the metal frame from the hard disk drive. 6 Attach the metal frame to a new hard disk drive and tighten the screws. 7 Slide the new hard disk drive firmly into place, and then reinstall the frame fixing screws to secure the drive.
Appendix A. CRU instructions Replacing the memory - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - You can increase the amount of memory in your computer by installing double data rate three synchronous dynamic random access memory (DDR3L SDRAM)-available as an option-in the memory slot of your...
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Appendix A. CRU instructions 4 If two DDR3L SDRAM modules are already installed in the memory slot, remove one of them to make room for the new one by pulling out on the latches on both edges of the socket at the same time. Be sure to save the old DDR3L SDRAM for future use.
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Appendix A. CRU instructions 8 Reinstall the battery pack. For details, see “Replacing the battery pack” on page 32. To make sure that the DDR3L SDRAM module is installed correctly, do as follows: 1 Press the Novo button to open the Novo button menu. 2 Select the BIOS Setup.
Make sure the computer is turned off and all the cables disconnected from the computer before you replace the optical drive. • Make sure the computer display is closed to avoid being damaged. 1 Remove the battery pack. For details, see “Replacing the battery pack” on page 32. 2 Remove the screw B41-80 B51-80...
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Appendix A. CRU instructions 3 Gently pull the optical drive out from its cavity 4 Insert a new optical drive and tighten the screw to secure the drive. 5 Reinstall the battery pack. For details, see “Replacing the battery pack” on page 32.
Appendix A. CRU instructions Replacing the keyboard - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - To replace the keyboard, do the following: Note: Make sure the computer is turned off and all the cables disconnected from the computer...
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Appendix A. CRU instructions 4 Pull to unsnap the keyboard in the direction as shown by the arrows 5 Lift up the keyboard and detach the connector in the direction shown by the arrows 6 Reinstall the new keyboard and tighten the screws. 7 Reinstall the battery pack.
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Appendix A. CRU instructions The following table provides a list of CRUs for your computer, and informs you of where to find replacement instructions. Self-service CRUs Safety, Warranty, and Setup Guide User Guide AC power adapter × Power cord × Battery pack ×...
Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. Lenovo OneKey VeriFace Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both. Other company, products, or service names may be trademarks or service...