Dell Chromebook 3100 2-in-1 Service Manual

Removing the system board

1. Disconnect the input output board cables [1], touchpad cable [2] and the keyboard cable [3].
   
2. Disconnect the world facing camera cable [1], EMR cable [2], USB Type-C power cable [3] and the speaker cable [4] from the system board.
   
3. Remove the single (M2x3) screw that secures the WLAN bracket to the system board [1], and lift the WLAN bracket from the system board [2].
4. Disconnect the two wireless antennas from the connector on the system board [3].
5. Remove the single (M2x4) screw that secures the eDP bracket to the system board and remove the eDP bracket [4, 5].
6. Pull back the adhesive tape securing the display cable [6] and disconnect the display cable from the system board [7].
   
7. Lift the system board bracket away from the computer.
   
8. Remove the four (M2.0x4.0) screws that secure the system board to the palmrest [1].
9. Lift and remove the system board from the computer [2].