Fingerprint-Reader Board; Removing The Fingerprint-Reader Board - Dell Inspiron 7400 Service Manual

About this task
The following images indicate the location of the power-button with optional fingerprint reader and provides a visual
representation of the installation procedure.
Steps
1. Using the alignment posts, place the power-button with optional fingerprint reader into its slot on the palm-rest and
keyboard assembly.
2. Replace the two screws (M2x3) that secure the power-button with optional fingerprint reader to the palm-rest and
keyboard assembly.
3. Connect the power-button cable to the fingerprint-reader board and close the latch.
4. Place the power-button bracket on the power-button with optional fingerprint reader.
5. Align the screw holes on the power-button bracket to the screw holes on the palm-rest and keyboard assembly.
6. Replace the three screws (M2x3) that secure the power-button bracket to the palm-rest and keyboard assembly.
Next steps
1. Install the IO board.
2. Install the fan (4-cell battery)
3. Install the 4-cell battery
4. Install the base cover.
5. Follow the procedure in

Fingerprint-reader board

Removing the fingerprint-reader board

Prerequisites
1. Follow the procedure in
2. Remove the base cover.
52 Removing and installing components
or the fan (6-cell battery), whichever applicable.
or the 6-cell battery, whichever applicable.
After working inside your
Before working inside your
computer.
computer.