Dell Precision T7610 (Late 2013) - Manual (Page 26)

5. Lift up the heatsink and remove it from the computer.
Installing the Heatsink
1. Place the heatsink inside the computer.
2. Tighten the captive screws to secure the heatsink to the system board.
3. Connect the heatsink cable to the system board.
4. Install the cover.
5. Follow the procedures in After Working Inside Your Computer .
Removing the Heat-Sink Fan
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a. left cover
b. heat sink
3. Push the grommets outward to release the heat-sink fan from the assembly.
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