Heatsink Assembly; Removing The Heatsink Assembly; Installing The Heatsink Assembly - Dell Latitude 3420 Service Manual

Heatsink assembly

Removing the heatsink assembly

Prerequisites
1. Follow the procedure in
2. Remove the microSD-card.
3. Remove the SIM card tray
4. Enter the service mode.
5. Remove the base cover.
About this task
The following images indicate the location of the heatsink assembly and provide a visual representation of the removal
procedure.
Steps
1. Loosen the four captive screws (in reverse order, 4->3->2->1) that secure the heatsink assembly to the system board.
2. Lift and remove the heatsink assembly from the system board.

Installing the heatsink assembly

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
62 Removing and installing components
before working inside your
for systems enabled with 4G LTE.
computer.