Dell Inspiron 5390 - System Board

About this task
The following image indicates the location of power button with ngerprint reader and provides a visual representation of the installation
procedure.
Steps
1 Align and place the power button with ngerprint reader on the palm-rest and keyboard assembly.
2 Replace the screw (M1.6x2) that secure the power button with ngerprint reader to the palm-rest and keyboard assembly.
3 Connect the ngerprint-reader cable to the ngerprint-reader board and close the latch to secure the cable.
4 Align and place the power-button bracket on the palm-rest and keyboard assembly.
5 Replace the screw (M1.6x2) that secure the power-button bracket to the palm-rest and keyboard assembly.
Next step
1 Install the I/O board.
2 Install the fan.
3 Install the WLAN card.
4 Install the battery.
5 Install the base cover.
6 Follow the procedure in After working inside your computer.
System board
Removing the system board
Prerequisites
1 Follow the procedure in Before working inside your computer.
2 Remove the base cover.
3 Remove the battery.
4 Remove the M.2 2280 solid-state drive or M,2 2230 solid-state drive, whichever applicable.
Removing and installing components
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