Dell U2421E - Page 3

3
DELL U2421E
S15
S16
Use a Philips-head screwdriver to remove
screws for interface board and power board.
7pcs
(No.1 screw size=M4x8, Torque=7±1kgfxcm;
No.2~7 screw size=M3x7.5, Torque=7±1kgfxcm)
S18
Remove the power board board and interface
board from the
disconnect all of the cables.
bracket chassis module carefully,
and then
S20
Remove the Mylar tape from the hooks of the
bracket.
S17
S19
Tear off 2pcs aluminum foil, and then use a
2pcs screws for
unlocking the bracket with panel module.
Philips-
head screwdriver to remove
(No.1~2 screw size=M3x4, Torque=5±0.5kgfxcm)
Move up the bracket, then push the earing-lock and
disconnect the LVDS cable away from the connectors
of the panel module.
Take away the bracket chassis module and then put
the bracket chassis module on a protective cushion.
2
5
3
1
7
6
4
4
1