Dell Vostro 5401 - Installing the Power Button with Finger Reader - UMA

4. Remove the two screws (M2x2.5) that secure the power button with optional fingerprint reader to the palm-rest and
keyboard assembly.
5. Lift the power button with optional fingerprint reader, along with the fingerprint reader cable, off the palm-rest and
keyboard assembly.
Installing the power button with finger reader - UMA
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The figure indicates the location of the power button with fingerprint reader and provides a visual representation of the
installation procedure.
Steps
1. Using the alignment post, place the power button with fingerprint reader on the palm-rest and keyboard assembly.
2. Replace the two screws (M2x2.5) to secure the power button with optional fingerprint reader to the palm-rest and keyboard
assembly.
3. Plug the I/O cable into the connector on palm-rest and keyboard assembly and close the latch.
4. Plug the fingerprint reader cable into the connector on palm-rest and keyboard assembly.
Next steps
1. Install the I/O board.
2. Install the system fan.
3. Install the coin-cell battery.
4. Install the M.2 2280 SSD or M.2 2230 SSD.
5. Install the battery.
6. Install the base cover.
7. Follow the procedure in after working inside your computer.
Disassembly and reassembly
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