Installing The System Board - Dell Inspiron 5590 Service Manual

Steps
1. Open the latch and disconnect the I/O-board cable from the system board.
2. Open the latch and disconnect the power-adapter port cable from the system board.
3. Disconnect the coin-cell battery cable and the speaker cable from the system board.
4. Open the respective latches and disconnect the hard-drive cable, the touchpad cable, the keyboard-backlight cable, and the keyboard
cable from their connectors on the system board.
5. Remove the five screws (M2x2) and the two screws (M2x3) that secure the system board to the palm-rest and keyboard assembly.
6. Lift the system board off the palm-rest and keyboard assembly.

Installing the system board

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of system board and provides a visual representation of the installation procedure.
60 Removing and installing components