Dell S3422DWG Simplified Service Manual page 9

S7. Remove the
Panel and middle
frame
2
5
4
7
6
8
9
Torque=6±1kgfxcm
Disconnect the connectors
1
3
Use a Philips-head
screwdriver to remove
14 screws for unlocking
the middle frame
(No.1~14 screw size=M3x4,
Torque=3±0.5kgfxcm)