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Lenovo ThinkCentre A51p Hardware Removal And Replacement Manual

Hardware removal and replacement guide (english)
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Download this manual See also: Handbook, Hardware Removal and Replacement Manual
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ThinkCentre
Hardware Removal and Replacement
Guide
Types 8141, 8142, 8145
Types 8420, 8421, 8426
n t r
e
C e
in k
T h

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Summary of Contents for Lenovo ThinkCentre A51p

  • Page 1 ™ ThinkCentre Hardware Removal and Replacement Guide Types 8141, 8142, 8145 Types 8420, 8421, 8426 n t r in k...
  • Page 3 ™ ThinkCentre Hardware Removal and Replacement Guide Types 8141, 8142, 8145 Types 8420, 8421, 8426...
  • Page 4 First Edition (May 2004) © Copyright International Business Machines Corporation 2004. All rights reserved. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

  • Page 5: Table Of Contents

    Contents Overview ....v Removing and replacing the system board . Removing and replacing the microprocessor . Information resources . Removing and replacing the hard disk drive . .
  • Page 6 Hardware Removal and Replacement Guide...

  • Page 7: Overview

    Overview This manual contains instructions for removing and replacing the following customer replacement units (CRUs): v Power supply v System board v Microprocessor v Memory v Hard disk drive Information resources The Quick Reference that comes with your computer provides information for installing your computer and starting the operating system.
  • Page 8 v When you install a new option, touch the static-protective package containing the option to a metal expansion-slot cover or other unpainted metal surface on the computer for at least two seconds. This reduces static electricity in the package and your body. v When possible, remove the option and install it directly in the computer without setting the option down.

  • Page 9: Replacing Customer Replaceable Units (Crus)

    Replacing customer replaceable units (CRUs) Attention Do not open your computer or attempt any repair before reading the “Important safety information” in the Quick Reference that was included with your computer. If you no longer have this copy of the Quick Reference, you can obtain one online from the IBM Web site at http://www.ibm.com/pc/support.

  • Page 10: Removing And Replacing The Power Supply

    4. Press the buttons on the sides of the computer and pivot the rear end of the cover up toward the front of the computer. n tr in k Removing and replacing the power supply Attention Do not open your computer or attempt any repair before reading the “Important safety information”...
  • Page 11 2. Remove the four screws at the rear of the chassis. 3. Rotate the drive bay assembly upward to gain access to the system board. 4. Disconnect all power supply cables from the drives and the system board. Remove the cables from the cable clips and ties. See Figure 1 on page 5. Note: Take note of the locations of the power supply cables.

  • Page 12: Removing And Replacing The System Board

    5. Remove the power supply assembly from the computer. 6. Install the new power supply assembly into the chassis so that the screw holes in the power supply assembly align with those in the chassis. Note: Use only the screws provided by IBM. 7.
  • Page 13 3. Carefully take note of the location of all cable connections on the system board. It will be necessary to reconnect them properly when installing a new system board. 4. Disconnect all cables connected to the system board. Figure 1. System board 1 12v power connector 13 SATA 2 connector 2 Diskette drive connector...
  • Page 14 5. Remove the seven screws that attach the system board to the chassis and slide the system board toward the drive bay assembly. Carefully lift out the system board. 6. Take note of the location of the DIMMs and remove them from the system board.

  • Page 15: Removing And Replacing The Microprocessor

    Important If the metal plate is not aligned correctly when you install the screws, you might damage the system board. 10. Install the screws that secure the system board to the chassis. 11. Reconnect all cables that were disconnected from the system board. See Figure 1 on page 5.
  • Page 16 2. Rotate the drive bay assembly upward to gain access to the system board. 3. Remove the heat sink 2 from the system board by rotating the lever 1 securing the heat sink until it is fully in the up position. Carefully lift the heat sink off of the system board.
  • Page 17 4. Release the lever 2 securing the microprocessor 1 then rotate the microprocessor retainer 3 until it is fully in the up position. 5. Remove the microprocessor from the system board socket using the vacuum pen 1 . Important Do not touch the gold contacts on the bottom of the microprocessor. If you must touch the microprocessor, touch only the sides.
  • Page 18 7. When installing a new microprocessor 2 , loosen the black cover 3 that protects the gold contacts on the microprocessor, but do not remove it. Use the vacuum pen 1 to pick up the new microprocessor then completely remove the black cover.
  • Page 19 10. Lower the microprocessor retainer 3 and then lower the lever 2 to secure the retainer. Make sure the lever is securely locked into position. Note: If you are replacing the system board, a piece of black plastic will cover the microprocessor retainer.

  • Page 20: Removing And Replacing The Hard Disk Drive

    13. To complete the installation, go to “Completing the CRU replacement” on page 16. Removing and replacing the hard disk drive Attention Do not open your computer or attempt any repair before reading the “Important safety information” in the Quick Reference that was included with your computer.

  • Page 21: Connecting A Serial Ata Hard Disk Drive

    5. Note the orientation of the hard disk drive in the plastic bracket. 6. Remove the drive by flexing the plastic enough to slide the drive out. 7. Install the hard disk drive into the plastic bracket by flexing the plastic enough to slide the drive in.
  • Page 22 2. Rotate the drive bay assembly upward to gain access to the system board. 3. Remove any parts that might prevent access to the DIMM slots. 4. Remove the DIMM being replaced by opening the retaining clips as shown. 5. Make sure that the DIMM notch 1 aligns correctly with the connector key 2 on the system board.

  • Page 23: Removing And Replacing A Pci Adapter

    Removing and replacing a PCI adapter Attention Do not open your computer or attempt any repair before reading the “Important safety information” in the Quick Reference that was included with your computer. If you no longer have this copy of the Quick Reference, you can obtain one online from the IBM Web site at http://www.ibm.com/pc/support.

  • Page 24: Completing The Cru Replacement

    5. Install the new adapter into the appropriate slot on the system and close the adapter latch. 6. Rotate the drive bay assembly back to the normal position. 7. To complete the installation, go to “Completing the CRU replacement.” Completing the CRU replacement After working with CRUs, you need to install any removed parts, replace the cover, and reconnect any cables, including telephone lines and power cords.
  • Page 25 5. Reconnect the external cables and power cords to the computer. 1 PCI slots 9 Diagnostic LEDs 2 PCI Express (x1) slot 10 Power connector 3 PCI Express (x16) graphics slot 11 Audio line out connector 4 Ethernet connector 12 Audio line in connector 5 USB connectors 13 VGA monitor connector 6 Mouse connector...
  • Page 26 Hardware Removal and Replacement Guide...
  • Page 28 Part Number: 19R0805 Printed in USA (1P) P/N: 19R0805...

This manual is also suitable for:

Thinkcentre 8141Thinkcentre 8142Thinkcentre 8145Thinkcentre 8420Thinkcentre 8421Thinkcentre 8426

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