Heat Sink; Removing The Heat Sink - Dell Latitude 9420 Service Manual

Heat sink

Removing the heat sink

Prerequisites
1. Follow the procedure in
2. Remove the SD card.
3. Remove the SIM card
4. Enter service mode.
5. Remove the base cover.
About this task
The following image indicates the location of the heat sink and provides a visual representation of the removal procedure.
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.
before working inside your
tray.
computer.
Removing and installing components 27