Dell Latitude 9420 Service Manual page 57

Steps
Place the palm-rest assembly on a flat surface.
Next steps
1. Install the WWAN main antenna
2. Install the USH daughter
3. Install the system board
4. Install the power button with fingerprint reader
5. Install the I/O daughter
6. Install the WLAN antenna
7. Install the right speaker.
8. Install the left speaker.
9. Install the battery.
10. Install the display assembly.
11. Install the heat sink.
12. Install the WWAN card.
13. Install the solid-state
14. Install the base cover.
15. Install the SIM card tray.
16. Install the SD card.
17. Follow the procedure in
module.
board.
.
board.
module.
drive.
After working on your
(for systems shipped with a fingerprint reader).
computer.
Removing and installing components 57