Chromebook 11 3380 Disassembly and Reassembly Guide - For use by Dell Certified Technicians only

Removing the system board

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. microSD card
   2. base cover
   3. battery
   4. display assembly
3. Disconnect the following cables from their connectors:
   1. WLAN antenna cables from the WLAN card [1].
   2. Touchpad cable from its connector on the system board [2].
   3. Keyboard cable from its connector on the system board [3].
   
4. Then,
   1. Remove the screw on the metal bracket covering the display cable connector [1].
   2. Lift the metal bracket off the display cable connector [2].
   3. Disconnect the display cable from its connector on the system board [3].
   4. Remove the screw securing the retaining metal bracket to the system board [4].
   5. Lift the retaining metal bracket off the system board [5].
   
5. Then:
   1. Disconnect the <engineering input> from its connector on the system board [1].
   2. Disconnect the audio board connector [2] and peel off the adhesive securing the cable to the system board [3].
   3. Disconnect the speaker cable from its connector [4] and unroute the cable from the cable guide [5].
   
6. Remove the M2xL3 screws and lift the system board off the computer.