Installing The System Board - Dell Inspiron 7700-2055 Service Manual

Steps
1. Disconnect the backlit cable from the system board.
2. Disconnect the display cable from the system board.
3. Open the latch and disconnect the power-button board cable from the system board.
4. Disconnect the speaker cable from the system board.
5. Disconnect the media-card reader cable from the system board.
6. Disconnect the microphone-module cable from the system board.
7. Disconnect the fan cable from the system board.
8. Disconnect the touchscreen cable from the system board.
9. Disconnect the camera cable from the system board.
10. Remove the five screws (M3x5) that secure the system board to the display-assembly base.

Installing the system board

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
Removing and installing components 47