Dell S3221QS, Service Manual

Page: 9 / 18

9
S5.Remove
main
board and power
board
Remove the Mylar. Use
a Philips-head
screwdriver to remove
12 screws for unlocking
the main board and the
adapter board
(No.1~11 screw
size=D3x6, Torque:
6±1kgf.cm)
(No.12 screw size=M4x6,
Torque: 6±1kgf.cm)
D isconnect all of the
cables
S6.Remove
the
bezel and panel
Use a Philips-head
screwdriver to remove
15 screws for unlocking
the middle plastic bezel
with the whole unit, and
then remove the middle
plastic bezel carefully.
(No.1~15 screw
size=M3x4,
Torque=3±0.5kgfxcm)