Installing The Heat Sink - Dell Latitude 9420 Service Manual

Steps
1. Peel the two pieces of tape securing the gray WWAN antenna cable from the bottom side of the CPU shielding cover.
2. Peel the piece of conductive tape and the tape securing the system fan cable from the left side of the CPU shielding cover.
3. Pry the CPU shielding cover from the pry point indicated on the top-right corner of the CPU shielding cover.
CAUTION: Do not remove the shielding cover immediately after prying the cover, as this can damage the
shielding cover.
4. Gently flip open the CPU shielding cover from the right side of the cover towards the left side.
5. Lift the CPU shielding cover off the system.
6. Loosen the three captive screws that secure the heat sink to the system board.
7. Lift the heat sink off the system board.

Installing the heat sink

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 heat sink and provides a visual representation of the installation procedure.
28 Removing and installing components