Lenovo THINKCENTRE 6019 Bedienungsanleitung PDF herunterladen (Seite 131)

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101

Replacing the system board

Important

The heat sink and microprocessor might be very hot. Make sure these

components are cool enough to safely handle before continuing this

procedure.

Note: When replacing the system board you must also order a new retention

module for the new system board. Make sure you have a retention module

for the new system board before continuing with this procedure.

This procedure describes how to remove and replace the system board.

1. Open the computer cover. See “Opening the cover” on page 118.

2. Pivot the drive bay assembly upward to gain access to the system board.

3. Remove the PCI riser. See “Replacing a PCI adapter” on page 142.

4. Locate the rear fan bracket assembly and the rear fan connector. See

“Locations” on page 114 and “System board connectors” on page 117.

5. Disconnect the rear fan cable and remove the rear fan bracket assembly by

lifting it off the system board.

6. 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.

7. Disconnect all cables connected to the system board. See “System board

connectors” on page 117.

8. Take note of the location of the memory modules and remove them from the

failing system board. See “Replacing a memory module” on page 119.

Chapter 9. Replacing FRUs - Ultra SFF Desktop computers 125

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