Dell Latitude E6230 (Mid 2012) - Manual (Page 29)

3. Loosen the screws that secure the heat-sink module to the computer.
4. Remove the heat-sink module.
Installing the Heat-Sink module
1. Replace the heat-sink module in its slot.
2. Tighten the screws to secure the heat-sink module.
3. Install the:
a) heat-sink fan
b) base cover
c) battery
d) ExpressCard
e) SD Card
4. Follow the procedures in After Working Inside Your Computer .
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