Dell S2421HGFB, Simplified Service Manual

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3
1. Use hands or
scraper bar to
disassemble Rear
Cover from monitor
Notice the disassembly
order:
Top Side=>Right/ Left
Side=>Bottom Side
2. Remove CTRL BD
FFC wire from I/F
BD and remove all
tapes from panel
Scraper bar
4
1. Remove PWR BTN
BD FFC wire from
I/F BD
2. Unlock 4 screws on
Main SHD
Philips-head
screwdriver
(Torsion of
screw:
4.5±0.5Kg)
5
1. Remove backlight
wire from SPS BD
and remove all
tapes from panel
2. Remove AL foil and
yellow tape from
panel
3. Remove two LVDS
FFC cable from
panel