Heat Sink
9
Removing the Heat Sink
1. Follow the procedures in
Before Working Inside Your Computer
.
2. Remove the
cover
.
3. Remove the
front bezel
.
4. Remove the
drive cage
.
5. Disconnect the heat sink/fan assembly cable from the system board.
6. Press the release lever down and move it outward to release the fan
retention hook that secures it.
7. Raise the heat sink/fan assembly.
25
Summary of Contents for OptiPlex 990 Desktop
Page 6: ...23 Contacting Dell 93 Contacting Dell 93 ...
Page 10: ...10 ...
Page 28: ...28 ...
Page 41: ...16 Remove the system board from the chassis 41 ...
Page 64: ...64 ...
Page 82: ...82 ...
Page 94: ......