Dell S2421HS Simplified Service Manual page 9

Take 1pcs rear cover, put down the rear cover
and push the rear cover on the positions marked
S15
as the picture below shown for mechanisms
engagement.
Use a Philips-head screwdriver to tighten 4pcs
screws for locking rear cover with the assembled
S16
unit.
(No.1~4 screw size=M4x11; Torque=7 8kgfxcm
2
4
Stick 2pcs labels on the specific positions as the
picture below shown. Take 1pcs stand riser and
S17
1pcs stand base, assemble the stand base with
stand riser, then rotate the screw clockwise to lock
the stand base and stand riser. Insert the stand-riser
into monitor groove until it snaps into its place.
4. Disassembly and Assembly Procedures
~
)
3
1
L ift up the monitor to checking the gap between the
front bezel with panel module , then provide power
S18
supply and a video signal to the monitor, then turn
on the monitor for functionality check.