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Lenovo C540 Hardware Maintenance Manual
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Lenovo C540 Hardware Maintenance Manual

Machine types: 10110/6267
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Lenovo C540
Hardware Maintenance Manual
Machine Types: 10110/6267 [C540]

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Summary of Contents for Lenovo C540

  • Page 1 Lenovo C540 Hardware Maintenance Manual Machine Types: 10110/6267 [C540]...
  • Page 3 Lenovo C540 Hardware Maintenance Manual Machine Types: 10110/6267 [C540]...
  • Page 4 First Edition (November 2012)2nd © Copyright Lenovo 2012. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925...

  • Page 5: Table Of Contents

    Selecting a startup device ..Replacing the front control board ..Exiting the Lenovo BIOS Setup Utility program . . Replacing the power switch board ..
  • Page 6 Lenovo C540Hardware Maintenance Manual...

  • Page 7: Chapter 1. About This Manual

    Chapter 1. About this manual This manual contains service and reference information for Lenovo C540 All-In-One computers listed on the cover. It is intended only for trained servicers who are familiar with Lenovo computer products. Before servicing a Lenovo product, be sure to read the Safety Information.
  • Page 8 Lenovo C540Hardware Maintenance Manual...

  • Page 9: Chapter 2. Safety Information

    Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect any attached power cords, telecommunication cables, network cables, and modem cables before you open the computer covers, unless instructed otherwise in the installation and configuration procedures. © Copyright Lenovo 2012...
  • Page 10 – Power supply units – Pumps – Blowers and fans – Motor generators and similar units. (This practice ensures correct grounding of the units.) • If an electrical accident occurs: – Use caution; do not become a victim yourself. Lenovo C540Hardware Maintenance Manual...

  • Page 11: Safety Inspection Guide

    – Switch off power. – Send another person to get medical aid. Safety inspection guide The intent of this inspection guide is to assist you in identifying potential hazards posed by these products. Each computer, as it was designed and built, had required safety items installed to protect users and service personnel from injury.

  • Page 12: Grounding Requirements

    • Connect and disconnect cables as described in the following table when installing, moving, or opening covers on this product or attached devices. Lenovo C540Hardware Maintenance Manual...
  • Page 13 To Connect To Disconnect 1. Turn everything OFF. 1. Turn everything OFF. 2. First, attach all cables to devices. 2. First, remove power cords from outlets. 3. Attach signal cables to connectors. 3. Remove signal cables from connectors. 4. Attach power cords to outlet. 4.
  • Page 14 To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on top of rack-mounted devices. Lenovo C540Hardware Maintenance Manual...

  • Page 15: Chapter 3. General Information

    This chapter provides general information that applies to all computer models covered by this manual. Specifications This section lists the physical specifications for your computer. This section lists the physical specifications for your computer. Type Lenovo C540 This section lists the physical specifications. Environment Air temperature: Operating: 10°...
  • Page 16 Lenovo C540Hardware Maintenance Manual...

  • Page 17: Chapter 4. General Checkout

    • If the computer displays a POST error, go to “POST error codes”. • If the computer hangs and no error is displayed, continue at step 7. 7. If the test stops and you cannot continue, replace the last device tested. © Copyright Lenovo 2012...
  • Page 18 Lenovo C540Hardware Maintenance Manual...

  • Page 19: Chapter 5. Using The Setup Utility

    1. If your computer is already on when you start this procedure, shut down the operating system and turn off the computer. 2. Press and hold the F1 key then turn on the computer. When the Lenovo BIOS Setup Utility program is displayed, release the F1 key.
  • Page 20 5. Select Save changes and Exit from the menu. Power-On Password When a Power-On Password is set, you cannot start the Lenovo BIOS Setup Utility program until a valid password is typed from the keyboard. Setting, changing, or deleting a Power-On Password Note: A password can be any combination of letters and numbers up to 16 characters (a-z and 0-9).

  • Page 21: Enabling Or Disabling A Device

    To set a Power-On Password, do the following: 1. Start the Lenovo BIOS Setup Utility program (See ”Starting the Lenovo BIOS Setup Utility program” on page 13.) 2. From the Security menu, select Set Power-On Password and press the Enter key.

  • Page 22: Selecting A Startup Device

    Selecting or changing the startup device sequence To view or permanently change the configured startup device sequence, do the following: 1. Start the Lenovo BIOS Setup Utility program (see “Starting the Lenovo BIOS Setup Utility program” on page 13). 2. From the Lenovo BIOS Setup Utility program main menu, select the Startup option.

  • Page 23: Exiting The Lenovo Bios Setup Utility Program

    Exiting the Lenovo BIOS Setup Utility program After you finish viewing or changing settings, press the Esc key to return to the Lenovo BIOS Setup Utility program main menu. You might have to press the Esc key several times. Do one of the following: •...
  • Page 24 Lenovo C540Hardware Maintenance Manual...

  • Page 25: Chapter 6. Symptom-To-Fru Index

    Check that the following are properly installed: Reseat connectors • Power Cord • On/Off Switch connector • System Board Power Supply connectors • Microprocessor connections Check the power cord. Power Cord Check the power-on switch. Power-on Switch © Copyright Lenovo 2012...

  • Page 26: Post Error Codes

    3. Power-on the computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or component. If all devices and components have been removed and the problem continues, replace the system board. Lenovo C540Hardware Maintenance Manual...

  • Page 27: Chapter 7. Locating Connectors, Controls And Components

    7. Left direction button 3. Hard disk drive indicator 8. Right direction button 4. Wi-Fi status indicator 9. Monitor On/Off button 5. Monitor On/Off indicator 10. Built-in IR receiver (Only functional on models equipped with a IR receiver module) © Copyright Lenovo 2012...
  • Page 28 1. USB connector 5. Memory card reader 2. Headphone connector 6. Power button 3. Microphone connector 7. Optical drive eject button 4. USB connector 8. Optical drive Attention: Do not insert 3-inch discs into the optical drive. Lenovo C540Hardware Maintenance Manual...
  • Page 29 Rear view The following illustration shows the location of connectors and components on the rear of the computer. 1. TV tuner connector (selected models only, 2 connectors 6. USB connector for Japan) 2. TV tuner connector (selected models only, 2 connectors 7.
  • Page 30 6. Power switch board 17. Hard disk drive and bay 7. Speakers 18. Converter board 19. Front function board 8. Rear I/O module 9. Chassis 20. Optical drive 10. LED panel 21. Optical drive bracket 11. Front bezel Lenovo C540Hardware Maintenance Manual...
  • Page 31 Identifying parts on the motherboard The motherboard (sometimes called the planar or system board) is the main circuit board in your computer. It provides basic computing functions and supports a variety of devices that are factory-installed or that you can install later. The following illustration shows the location of connectors and components on the front of the motherboard.
  • Page 32 Lenovo C540Hardware Maintenance Manual...

  • Page 33: Chapter 8. Replacing Hardware

    Attention: Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer. To obtain copies of the Safety and Warranty Guide, go to the Support Web site at: http://consumersupport.lenovo.com. Note: Use only parts provided by Lenovo.

  • Page 34: Replacing The Keyboard And Mouse

    Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Step 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Lenovo C540Hardware Maintenance Manual...
  • Page 35 Step 2. Disconnect the adapter cable from the computer , then unplug the power cord from electrical outlet. Step 3. Connect the new adapter as shown. Chapter 8 Replacing hardware...

  • Page 36: Removing The Stand Base

    Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the touch screen from scratches or other damage.

  • Page 37: Replacing A Memory Module

    Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the touch screen from scratches or other damage.
  • Page 38 Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the touch screen from scratches or other damage.

  • Page 39: Replacing The Hard Disk Drive

    Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the touch screen from scratches or other damage.

  • Page 40: Replacing The Optical Drive

    Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the touch screen from scratches or other damage.
  • Page 41 Step 6. Push the optical drive pin downward to push out the optical drive as shown. Step 7. Push a small iron stick (paper clip) into the small hole on the optical drive cover so that the disk springs out as shown. Step 8.

  • Page 42: Removing The Stand Holder

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 43: Removing The Middle Cover

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 44: Replacing The Converter Board

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 45: Removing The Emi Cover

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 46: Replacing The Rear I/O Module

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 47: Replacing The Tv Tuner Card

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 48: Replacing The Wlan Card

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 49: Replacing The Speaker System

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 50: Replacing The System Fan

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 51: Replacing The Heat-Sink

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 52: Replacing The Camera

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 53: Replacing The Cpu

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.
  • Page 54 Attention: Do not touch the gold contacts on the bottom of the microprocessor. When handling the microprocessor, touch only the sides. Note: Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept as clean as possible. Lenovo C540Hardware Maintenance Manual...
  • Page 55 Step 13. Holding the sides of the microprocessor with your fingers, remove the protective cover that protects the gold contacts on the new microprocessor. Step 14. Holding the sides of the microprocessor with your fingers, position the microprocessor so that the notches on the microprocessor are aligned with the tabs in the microprocessor socket.

  • Page 56: Replacing The Front Control Board

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 57: Replacing The Power Switch Board

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 58: Replacing The Motherboard

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.

  • Page 59: Replacing The Led Panel

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.
  • Page 60 Secure the chassis to the front bezel with the nine screws. Reconnect all the camera and power switch board cables to the connectors on the motherboard. Reconnect the front control board cable back to the connector on front control board. Lenovo C540Hardware Maintenance Manual...
  • Page 61 Step 19. Reattach the system fan, speaker system, EMI cover, middle cover, stand holder, optical drive, foot cover and stand base. Chapter 8 Replacing hardware...
  • Page 62 Lenovo C540Hardware Maintenance Manual...

  • Page 63: Chapter 9. Fru Lists

    • 1– identifies parts that are fairly simple to replace, requiring few or no tools. • 2– identifies parts that are slightly more difficult to replace. • N-identifies parts that are not to be replaced by the customer. Service Item# Description Part CRU ID Number Computer stand © Copyright Lenovo 2012...
  • Page 64 C540 STAND (TOP) Foot cover C540 SLIDE COVER (BK) 90202086 90202087 C540 SLIDE COVER (WH) Middle cover C540 BACK COVER W/TV_HDMI W/O ODD(BK) 90202090 C540 BACK COVER W/TV_HDMI W/O ODD(WH) 90202091 C540 BACK COVER W/O TV_HDMI_ODD(BK) 90202198 C540 BACK COVER W/O TV_HDMI_ODD(WH)
  • Page 65 C540 WIN8_PRO 512M_GPU W/USB3.0 MB 90001469 90001470 C540 WIN8_PRO 512M_GPU W/O USB3.0 MB C540 WIN8_PRO 1G_GPU W/USB3.0 MB 90001471 90001472 C540 WIN8_PRO 1G_GPU W/O USB3.0 MB C540 WIN8_PRO 2G_GPU W/USB3.0 MB 90001473 90001474 C540 WIN8_PRO 2G_GPU W/O USB3.0 MB C540 WIN8 UMA W/USB3.0 MB...
  • Page 66 C540 FRONT BEZEL (BK) 90202102 90202103 C540 FRONT BEZEL (WH) Wi-Fi card CBT AR9485 11n SB HMC WiFi card(wowl) 11200354 11200352 LTN RTL8188CE 11n SB HMC WiFi card(wowl) TV-Tuner card Avermedia H339BB DVB-T Mini TV Card 11200290 11201071 Avermedia H334 DVB-T Mini TV Card...
  • Page 67 C540 CONVERT BOARD FOR SAM 90001757 90001758 C540 CONVERT BOARD FOR LG C540 CONVERT BOARD FOR CMI 90001759 Front function board C540 FUNCTION BOARD 90001762 Optical drive HLDS GT50N 25201635 25209016 PLDS DS-8A9SH HLDS GT80N 25209015 Optical drive bracket Chapter 9...
  • Page 68 Lenovo C540Hardware Maintenance Manual...

  • Page 69: Chapter 10. General Information

    • Wake Up on Alarm: You can specify a date and time at which the computer will be turned on automatically. This can be either a single event , a daily event or a weekly event. • Wake Up on LAN: This feature allows LAN adapter card to wake the System. © Copyright Lenovo 2012...

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