Dell P2425HEB Service Manual page 13

Tear off a gasket from "USB Shielding"
S10
(see pink mark)
Tear off a gasket from "USB board"
(see red mark)
Disassemble "USB board" from "USB
S11
Shielding"
Tear off 2 conductive tapes from "Main
S12
Shielding and "Panel"
Tear off an aluminum foil and a yellow
S13
tape from "LVDS FFC" on "Panel"
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