Dell Chromebook 11 3180 Disassembly And Reassembly Manual page 17

4 To remove metal bracket:
a Remove the screws (M2.0x3.0, M.2.0x2.0) that secure the metal to the touchpad on the computer [1].
b Remove the adhesive tape [2].
c Slide and remove the metal bracket [3].
NOTE: Remove the adhesive tape that secures the speaker cable on the metal bracket.
5 Remove the touchpad from the computer.
Removing and installing components 17