Lenovo THINKCENTRE 9120 User Manual download pdf (Page 33)

Replacing the heat sink

Attention

Do not open your computer or attempt any repair before reading the “Important safety

information” in the Safety and Warranty Guide that was included with your computer. To

obtain a copy of the Safety and Warranty Guide, go to the Support Web site at

http://www.lenovo.com/support.

This section provides instructions on how to replace the heat sink.

1. Remove the computer cover. See “Removing the cover” on page 11.

2. Lay the computer on its side.

3. Locate the heat sink. See “Identifying parts on the system board” on page 9.

4. Disconnect the heat sink and the fan assembly cable from the system board.

5. Pivot the handle 1 to release the heat sink clamp and then disengage the

clamp from the plastic retention bracket.

6. Lift the failing heat sink and fan assembly off the system board.

Figure 20. Removing the heat sink

Chapter 3. Installing options and replacing hardware 25

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Lenovo THINKCENTRE 9120 User Manual Page 33