Lenovo THINKCENTRE 6396 Bedienungsanleitung PDF herunterladen (Seite 95)

Replacing the system board

This section provides instructions on how to replace the system board.

1. Open the computer cover. See “Opening the cover” on page 84.

2. Take note of the location of all cable connections on the system board and

disconnect all cables. See“System board locations” on page 83.

3. Remove the screws that secure the system board to the cover.

4. Lift the system board off of the cover.

5. Remove the memory modules from the failing system board and install them

in the same location on the new system board.

6. If the system board has a modem daughter card installed, remove it from the

failing system board and install it on the new system board. See “Replacing

the modem” on page 95.

7. Remove the heat sink and microprocessor from the failing system board and

install them on the new system board. See “Replacing the microprocessor” on

page 86.

Note:

You might have to install a new retention module on the new system

board.

8. Position the new system board in the chassis so that the screw holes are

aligned with the mounting studs.

9. Install and tighten the screws that secure the system board to the chassis.

10. Reconnect all cables to the system board. See“System board locations” on page

83.

11. Go to “Completing the FRU replacement” on page 103

Chapter 8. Replacing FRUs 89

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Lenovo THINKCENTRE 6396 Bedienungsanleitung Seite 95