Dell Latitude E6430 (Mid 2012) - Manual (Page 25)

Removing the Heat Sink
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a) battery
b) base cover
3. Disconnect the heat-sink cable.
4. Remove the screws that secure the heat sink to the system board.
5. Remove the heat sink from the computer.
Installing the Heat Sink
1. Slide the heat sink into its original position in the system board.
2. Tighten the screws to secure the heat sink to the system board
3. Connect the heat-sink cable to the system board.
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