Lenovo C540 Hardware Maintenance Manual ideaideaideaCentreidea Machine Types: 10110/6267 [C540]
Lenovo C540 Hardware Maintenance Manual Machine Types: 10110/6267 [C540]
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.
Contents Chapter 1. About this manual . . . . . . 1 Chapter 8. Replacing hardware . . . . Important Safety Information . . . . . . . . . . General information . . . . . . . Replacing the keyboard and mouse Replacing the adapter . . . . . . Removing the stand base . . . . Removing the foot cover . . . . . Replacing a memory module . . . Replacing the hard disk drive . . . Replacing the optical drive . . . . Removing the stand holder . . . . Removing the middle cover . . . Replacing the converter board . .
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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. The description of the TV-tuner card in this manual applies only to computers with a TV-tuner card installed. It does not apply to computers without a TV-tuner card.
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Chapter 2. Safety information This chapter contains the safety information that you need to be familiar with before servicing a computer. General safety Follow these rules to ensure general safety: • Keep the areas around the computer clear and clean during and after maintenance. • When lifting any heavy object: 1. Ensure you can stand safely without slipping. 2. Distribute the weight of the object equally across both feet. 3. Lift slowly. Never move suddenly or twist when you attempt to lift. 4.
Observe the following rules when working on electrical equipment. Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have rubber floor mats near their equipment that contain small conductive fibers to decrease electrostatic discharge. • Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical outlet.
– 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. This guide addresses only those items.
• Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people while handling the part. • Wear a grounded wrist strap against your skin to eliminate static on your body. • Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap. • Use the black side of a grounded work mat to provide a static-free work surface. The mat is especially useful when handling ESD-sensitive devices.
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. Remove all cables from devices. 5. Turn device ON. CAUTION: When replacing the lithium battery, use only Part Number 45C1566 or an equivalent type battery recommended by the manufacturer.
≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) CAUTION: Use safe practices when lifting. CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 2 1 CAUTION: Do not place any object weighing more than 82 kg (180 lbs.
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.
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Chapter 4. General Checkout Attention: The drives in the computer you are servicing might have been rearranged or the drive startup sequence may have been changed. Be extremely careful during write operations such as copying, saving, or formatting. Data or programs can be overwritten if you select an incorrect drive. General error messages appear if a problem or conflict is found by an application, the operating system, or both.
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Chapter 5. Using the Setup Utility The Setup Utility program is used to view and change the configuration settings of your computer, regardless of which operating system you are using. However, the operating system settings might override any similar settings in the Setup Utility program. Starting the Lenovo BIOS Setup Utility program To start the Lenovo BIOS Setup Utility program, do the following: 1.
Administrator Password Setting an Administrator Password deters unauthorized persons from changing configuration settings. You might want to set an Administrator Password if you are responsible for maintaining the settings of several computers. After you set an Administrator Password, a password prompt is displayed every time you access the Lenovo BIOS Setup Utility program. If both the Administrator and Power-On Password are set, you can type either password.
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. 3. The password dialog box will be displayed. Type the password, then press the Enter key. 4. Re-type the password to confirm. If you typed the password correctly, the password will be installed. To change a Power-On Password, do the following: 1.
Select ATA Device Setup, press the Enter key, then select SATA Mode. Select Audio Setup, press the Enter key, then select Onboard Audio Controller. Select Network Setup, press the Enter key, then select Onboard Ethernet Support or LAN Boot Agent. 4. Select Disabled or Enabled and press the Enter key. 5. Return to the Lenovo BIOS Setup Utility program menu and select the Exit option. 6. Select Save changes and Exit from the menu. Notes: a.
a. If you do not want to save the settings, select Discard changes and Exit from the menu. b. If you have changed these settings and want to return to the default settings, select Load Optimal Defaults from the menu. 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.
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Chapter 6. Symptom-to-FRU Index The Symptom-to-FRU index lists error symptoms and possible causes. The most likely cause is listed first. Always begin with Chapter 4, “General Checkout,” on page 11. This index can also be used to help you decide which FRUs to have available when servicing a computer. If you are unable to correct the problem using this index, go to “Undetermined problems” on page 20. Notes: • If you have both an error message and an incorrect audio response, diagnose the error message first.
POST error codes Each time you turn the computer on, it performs a series of tests to check that the system is operating correctly and that certain options are set. This series of tests is called the Power-On Self-Test, or POST. POST does the following: • Checks some basic motherboard operations • Checks that the memory is working correctly • Starts video operations • Verifies that the boot drive is working POST Error Message Description/Action Keyboard error Cannot initialize the keyboard.
Chapter 7. Locating connectors, controls and components This section provides illustrations to help locate the various connectors, controls and components of the computer. Font view The following illustration shows the location of controls and components on the front of the computer. Attention: Be careful not to block any air vents on the computer. Blocked air vents can cause overheating. 1 2 10 3 4 5 6 7 8 9 1. Built-in microphone 6. Menu button 2. Built-in camera 7. Left direction button 3.
Left and right view The following illustration shows the location of connectors, controls and components on the left and right side of the computer. 7 8 1 2 3 4 5 6 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.
Rear view The following illustration shows the location of connectors and components on the rear of the computer. 9 8 1 2 3 4 5 6 7 1. TV tuner connector (selected models only, 2 connectors for Japan) 6. USB connector 2. TV tuner connector (selected models only, 2 connectors for Japan) 7. HDMI-out connector (selected models only) 3. Power connector 8. Security cable slot 4. Ethernet connector 9. Air vents 5. USB connector Chapter 7.
Hardware components The following illustration shows the components that make up your computer. 1 2 3 21 4 5 20 6 19 7 18 8 17 16 15 9 10 14 11 13 12 1. Computer stand 12. Wi-Fi card 2. Foot cover 13. TV-Tuner card 3. Middle cover 14. System fan 4. EMI cover 15. Heat-sink 5. Motherboard 16. Camera 6. Power switch board 17. Hard disk drive and bay 7. Speakers 18. Converter board 8. Rear I/O module 19. Front function board 9. Chassis 20. Optical drive 10. LED panel 21.
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. 1 2 24 23 22 3 21 4 20 19 18 5 6 17 4 16 7 15 8 14 13 12 11 10 9 1. Thermal sensor header 13.
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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. General information Pre-disassembly instructions Before starting the disassembly procedure, make sure that you do the following: 1.
Replacing the keyboard and mouse Note: Your keyboard will be connected to a USB connector at either side or at the rear of the computer. To replace the keyboard: Step 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the computer, and turn off all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Locate the connector for the keyboard. Refer to “Side view of the computer” and “Rear view of the computer”. Step 4.
Step 2. Disconnect the adapter cable from the computer 1 , then unplug the power cord from electrical outlet. 2 Step 3. Connect the new adapter as shown. 1 2 Chapter 8.
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. 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.
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. 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. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer.
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. 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. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer.
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. Step 1.
Step 7. Push the lock pins outward to release the hard disk drive from the bracket. Step 8. To install the new hard disk drive: Step 9. a. Line up the new hard disk drive with the bracket and secure it with the pins. b. Slide the hard disk drive and bracket back into position. Reattach the foot cover and stand base. Replacing the optical drive Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Step 6. Push the optical drive pin downward to push out the optical drive as shown. 1 2 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. Remove the 2 screws that secure the optical drive to the metal bracket. 1 Step 9. Use a small flat head screwdriver to press and push out the pins that secure the cover to the disk. 2 3 Chapter 8.
Step 10. Separate the cover from the defective optical drive. Step 11. To install the new optical drive: a. Align the new optical drive with the cover, and then push the cover back into position. b. Screw the metal bracket back onto the new optical drive. c. Slide the new optical drive into the drive bay. Step 12. Reattach the foot cover and stand base. Removing the stand holder Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Step 7. To reattach the stand holder: a. Align the holes on the stand holder with mounting holes on the chassis, place the stand holder back into position. b. Secure the stand holder to the chassis with the four screws. Step 8. Line up the foot cover with mounting holes on the back of the computer, then slide it back into position. Step 9. Reattach the stand base. Removing the middle cover Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Step 9. To reattach the middle cover: a. Line up the middle cover with chassis, then place the middle cover back. b. Secure the middle cover to the chassis with the seven screws. Step 10. Reattach the stand holder, optical drive, foot cover and stand base. 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.
Step 9. Disconnect the two cables from the converter 1 , and then remove the screw that secures the converter board to the chassis. 2 Step 10. Lift up then slide out the converter board to remove it. 3 Step 11. To install the new converter board: a. Line up the holes on the new converter board with the mounting holes on the chassis and secure it with the screw. b. Connect the two cables to the new converter board. Step 12.
Step 9. Remove the seven screws that secure the EMI cover to the chassis, and then lift it up. Step 10. To reattach the EMI cover: a. Line up the holes on the EMI cover with mounting holes on the chassis, then place EMI cover back into position. b. Secure the EMI cover to the chassis with seven screws. Step 11. Reattach the middle cover, optical drive, stand holder, foot cover and stand base.
Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Step 4.
To replace the TV tuner card Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Left and right view” and “Rear view” for help with locating the various connectors.
Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Step 4.
Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Step 4. Remove the stand base. Refer to “Removing the stand base”. Step 5. Remove the foot cover. Refer to “Removing the foot cover”. Step 6. Remove the optical drive. Refer to “Replacing the optical drive”. Step 7. Remove the stand holder.
Step 5. Remove the foot cover. Refer to “Removing the foot cover”. Step 6. Remove the optical drive. Refer to “Replacing the optical drive”. Step 7. Remove the stand holder. Refer to “Removing the stand holder”. Step 8. Remove the middle cover. Refer to “Removing the middle cover”. Step 9. Remove the EMI cover. Refer to “Removing the EMI cover”. Step 10. Remove the sealing tape between the system fan and heat-sink. Step 11. Remove the three screws that secure the system fan to the chassis.
Step 5. Remove the foot cover. Refer to “Removing the foot cover”. Step 6. Remove the optical drive. Refer to “Replacing the optical drive”. Step 7. Remove the stand holder. Refer to “Removing the stand holder”. Step 8. Remove the middle cover. Refer to “Removing the middle cover”. Step 9. Remove the EMI cover. Refer to “Removing the EMI cover”. Step 10. Remove the sealing tape between the system fan and heat-sink. Step 11.
Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Step 4. Remove the stand base. Refer to “Removing the stand base”. Step 5. Remove the foot cover. Refer to “Removing the foot cover”. Step 6. Remove the optical drive. Refer to “Replacing the optical drive”. Step 7. Remove the stand holder.
To replace the CPU Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Step 4.
Step 13. Holding the sides of the microprocessor with your fingers, remove the protective cover 1 that protects the gold contacts on the new microprocessor. 2 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. Important: To avoid damaging the microprocessor contacts, keep the microprocessor completely level while installing it into the socket. Step 15.
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. To replace the front control board: Step 1.
Step 14. Reattach the speaker system, EMI cover, middle cover, optical drive, stand holder, foot cover and stand base. 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.
c. Connect the power cable to the new power switch board. Step 13. Reattach the EMI cover, middle cover, optical drive, stand holder, foot cover and stand base. 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.
Step 17. Remove the five screws that secure the motherboard to the chassis and lift the motherboard up to remove it. Step 18. To install the new motherboard: a. Line up the holes on the new motherboard with the mounting holes chassis and place the new motherboard into position. b. Use the screws to secure the new motherboard to the chassis. Step 19. Install the following parts to the new motherboard: • WLAN card • TV-Tuner card • CPU • Heat-sink • Rear I/O module • Memory module Step 20.
Step 4. Remove the stand base. Refer to “Removing the stand base”. Step 5. Remove the foot cover. Refer to “Removing the foot cover”. Step 6. Remove the optical drive. Refer to “Replacing the optical drive”. Step 7. Remove the stand holder. Refer to “Removing the stand holder”. Step 8. Remove the middle cover. Refer to “Removing the middle cover”. Step 9. Remove the EMI cover. Refer to “Removing the EMI cover”. Step 10. Remove the speaker system. Refer to “Replacing the speaker system”. Step 11.
Step 19. Reattach the system fan, speaker system, EMI cover, middle cover, stand holder, optical drive, foot cover and stand base. Chapter 8.
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Chapter 9. FRU lists This chapter lists the information on the field replaceable units (FRUs). Attention: Be sure to read and understand all the safety information before replacing any FRUs. Notes: FRUs that have a 1 or 2 in the CRU column are Customer Replaceable Units (CRUs). • 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.
2 3 4 C540 STAND (BOTTOM) 90202088 N C540 STAND (TOP) 90202089 N C540 SLIDE COVER (BK) 90202086 N C540 SLIDE COVER (WH) 90202087 N C540 BACK COVER W/TV_HDMI W/O ODD(BK) 90202090 N C540 BACK COVER W/TV_HDMI W/O ODD(WH) 90202091 N C540 BACK COVER W/O TV_HDMI_ODD(BK) 90202198 N C540 BACK COVER W/O TV_HDMI_ODD(WH) 90202199 N C540 BACK COVER W/HDMI_ODD W/O TV(BK) 90202200 N C540 BACK COVER W/HDMI_ODD W/O TV(WH) 90202201 N C540 BACK COVER W/TV_HDMI_ODD(BK) 90202202 N C540 BACK
6 7 C540 WIN8_PRO 512M_GPU W/USB3.0 MB 90001469 N C540 WIN8_PRO 512M_GPU W/O USB3.0 MB 90001470 N C540 WIN8_PRO 1G_GPU W/USB3.0 MB 90001471 N C540 WIN8_PRO 1G_GPU W/O USB3.0 MB 90001472 N C540 WIN8_PRO 2G_GPU W/USB3.0 MB 90001473 N C540 WIN8_PRO 2G_GPU W/O USB3.0 MB 90001474 N C540 WIN8 UMA W/USB3.0 MB 90001475 N C540 WIN8 UMA W/O USB3.0 MB 90001476 N C540 WIN8 512M_GPU W/USB3.0 MB 90001477 N C540 WIN8 512M_GPU W/O USB3.0 MB 90001478 N C540 WIN8 1G_GPU W/USB3.
12 13 14 15 16 17 18 60 C540 FRONT BEZEL (BK) 90202102 N C540 FRONT BEZEL (WH) 90202103 N Wi-Fi card N CBT AR9485 11n SB HMC WiFi card(wowl) 11200354 N LTN RTL8188CE 11n SB HMC WiFi card(wowl) 11200352 N TV-Tuner card N Avermedia H339BB DVB-T Mini TV Card 11200290 N Avermedia H334 DVB-T Mini TV Card 11201071 N Avermedia H339BA ATSC Mini TV Card 11200291 N Avermedia H334 ATSC Mini TV Card 11201072 N N System fan C540 AVC Fan 90201929 N C540 Delta Fan 90201930 N Heat
19 C540 CONVERT BOARD FOR SAM 90001757 N C540 CONVERT BOARD FOR LG 90001758 N C540 CONVERT BOARD FOR CMI 90001759 N 90001762 N HLDS GT50N 25201635 N PLDS DS-8A9SH 25209016 N HLDS GT80N 25209015 N ?? ?? Front function board C540 FUNCTION BOARD 20 21 Optical drive Optical drive bracket ?? Chapter 9.
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Chapter 10. General information This chapter provides general information that applies to all computer models covered by this manual. Additional Service Information This chapter provides additional information that the service representative might find helpful. Power management Power management reduces the power consumption of certain components of the computer such as the system power supply, processor, hard disk drives, and some monitors.
