System Fan; Removing The System Fan; Installing The System Fan - Dell Latitude 5520 Service Manual

System fan

Removing the system fan

Prerequisites
1. Follow the procedure in
2. Remove the SIM card.
3. Remove the microSD
4. Remove the base cover.
5. Remove the battery.
About this task
The following images indicate the location of the system fan and provide a visual representation of the removal procedure.
Steps
CAUTION: Do not damage the thermal fan sponge during any replacement procedures. Damaging the sponge
reduces the effectiveness of the heat dispersion.
1. Disconnect the system-fan cable from the system board.
2. Remove the two screws (M2x3) that secure the system fan to the palm-rest assembly.
3. Lift the system fan, along with its cable, off the palm-rest assembly.

Installing the system fan

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the system fan and provide a visual representation of the installation procedure.
Before working inside your
card.
computer.
Removing and installing components 49