Installing The Heatsink Assembly; Palmrest Antenna Module; Removing The Palmrest Antenna Module - Dell Latitude 7420 Service Manual

Installing the heatsink assembly

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 heatsink assembly and provides a visual representation of the installation
procedure.
Steps
1. Align and place the heatsink assembly into its slot in the computer.
2. Replace the two (M2x2.5) screws on the fan casing and four (M2x2.5) screws (in sequential order, 1->2->3->4) to secure
the heatsink assembly to the computer.
3. Connect the fan cable to the system board.
Next steps
1. Install the base cover.
2. Install the microSD card.
3. Follow the procedure in

Palmrest antenna module

Removing the palmrest antenna module

Prerequisites
1. Follow the procedure in
2. Remove the microSD
after working inside your
before working inside your
card.
computer.
computer.
Removing and installing components 33