Dell P2425HEB Service Manual page 12

Unlock 3 screws to disassemble
S6
"Control board" from "Rear Cover"
Tear off "Control board FFC" from
"Rear Cover" and take off "Control
board" from "Rear Cover"
(Screw Torque: 1.6-1.8 kgf)
Disassemble "Control board FFC" from
S7
"Control board"
Tear off 2 tapes from "Backlight wire"
S8
Unplug "Backlight wire" from "LED
Driver board" and "Panel"
Tear off a black tape from "USB board
S9
FFC" and "Panel
Disassemble "USB board FFC" from
"USB board" and "Interface board"
Unlock 1 screw on "USB board"
Disassemble "USB board" from "Middle
Frame"
(Screw Torque: 4.5±0.5 kgf)
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