Dell Latitude 7389 2-in-1 Owner's Manual

Removing system board

Follow the procedure in Before working inside your computer.
Remove the:
Disconnect the following cables from the system board .
- NOTE: To remove the IR camera, touchscreen, eDP, and G-sensor cables, refer LCD assembly.
1. Touchpad cable
2. USH cable
3. LED board cable
Disconnect the eDP cable:
- NOTE: To disconnect the eDP cable, remove the M 2 x 1.7L screws that secure the eDP bracket and lift it away from the computer. Disconnect the eDP cable from the system board.
To release the cables:
1. Flip the coin cell battery to reveal the speaker cable [1].
2. Disconnect the speaker cable from the system board [2].
3. Disconnect the power board cable from the system board [3].
Peel the tapes that secure antenna cables and un route the cables from the routing clips.
To remove the system board:
1. Remove the M2.0 x 4L screws from the USB Type-C bracket [1].
2. Lift the USB Type-C bracket from the Type-C module [2].
3. Remove the M2.0 x 3.0 screws that secure the system board to the computer [3].
4. Lift the system board away from the computer[4].