Dell Precision T1650 (Mid 2012) - Manual (Page 20)

Figure 19.
4. Loosen the captive screws that secure the heat sink to the system board and lift the heat sink away from the
computer.
Figure 20.
Installing the Heat Sink
1. Place the heat sink into the chassis.
2. Tighten the captive screws to secure the heat sink to the system board.
3. Connect the heat sink cable to the system board.
4. Install the cover.
5. Follow the procedures in After Working Inside Your Computer .
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