Palm-Rest Assembly; Removing The Palm-Rest Assembly - Dell Latitude 9420 Service Manual

Steps
1. Align and place the WWAN main antenna module in the slot on the system.
2. Replace the four (M1.6x3) screws that secure the WWAN main antenna module to the palm-rest assembly.
Next steps
1. Install the system board
2. Install the I/O daughter
3. Install the battery.
4. Install the display assembly.
5. Install the heat sink.
6. Install the WWAN card.
7. Install the base cover.
8. Install the SIM card tray.
9. Install the SD card.
10. Follow the procedure in

Palm-rest assembly

Removing the palm-rest assembly

Prerequisites
1. Follow the procedure in
2. Remove the SD card.
3. Remove the SIM card
4. Remove the base cover.
5. Remove the solid-state drive
6. Remove the WWAN card.
7. Remove the heat sink.
8. Remove the display assembly.
9. Remove the battery.
.
board.
After working on your computer.
before working inside your
tray.
computer.
Removing and installing components 55