Heat Sink; Removing The Heat Sink - Dell P138G Service Manual

Steps
1. Using the alignment posts, place the fan on the system board.
2. Replace the three (M2x3) screws to secure the fan to the palm-rest assembly.
3. Connect the fan cable to its connectors on the system board.
4. Place the mylar sleeve back.
5. Route the antenna cables back into the routing guide underneath the fan.
Next steps
1. Install the WLAN card.
2. Install the 3-cell battery
3. Install the base cover.
4. Follow the procedure in

Heat sink

Removing the heat sink

Prerequisites
NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you
touch it.
NOTE: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin
can reduce the heat transfer capability of the thermal grease.
1. Follow the procedure in
2. Remove the base cover.
3. Remove the 3-cell battery
About this task
The following images indicate the location of the heat sink and provide a visual representation of the removal procedure.
48 Removing and installing components
or 4-cell battery.
after working inside your
before working inside your
or 4-cell battery.
computer.
computer.