Power Button With Fingerprint Reader; Removing The Power Button With Fingerprint Reader - Dell Latitude 7420 Service Manual

About this task
The following image indicates the location of the I/O board and provides a visual representation of the installation procedure.
Steps
1. Replace the I/O board into its slot in the computer.
2. Secure the I/O board to the computer using two (M2x4) screws.
Next steps
1. Install the system board.
2. Install the heatsink assembly.
3. Install the battery.
4. Install the WWAN card.
5. Install the solid-state
6. Install the base cover.
7. Install the SIM card.
8. Install the microSD card.
9. Follow the procedure in

Power button with fingerprint reader

Removing the power button with fingerprint reader

Prerequisites
1. Follow the procedure in
2. Remove the microSD
3. Remove the SIM card.
4. Remove the base cover.
5. Remove the solid-state
drive.
after working inside your
before working inside your
card.
drive.
computer.
computer.
Removing and installing components 53