Power Button; Removing The Power Button Without Fingerprint Reader - Dell Latitude 3420 Service Manual

Steps
1. Align and place the I/O board into its slot on the palmrest assembly.
2. Install the two (M2x3) screws that secure the I/O board on the palmrest assembly.
3. Connect the USB cable and coin-cell cable to the connectors on the system board.
4. Connect the I/O cable to the connector on the system board and close the latch.
5. For systems shipped with power button, connect the power button cable to the connector on the I/O board, close the latch
and affix the adhesive tape.
Next steps
1. Install the ethernet port.
2. Install the base cover.
3. Exit the service mode
4. Install the SIM card tray
5. Install the microSD-card.
6. Follow the procedure in

Power button

Removing the power button without fingerprint reader

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.
6. Remove the I/O board.
for 4G LTE enabled systems.
after working inside your
before working inside your
for 4G LTE enabled systems.
computer.
computer.
Removing and installing components 73