Dell P2421DC, Руководство по обслуживанию

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16
Use a Philips-head screwdriver to remove 3 screws
for unlocking the bezel and the middle frame.
(No.1~3 screw size=M2X2.5, Torque: 6±1kgf.cm)
Use a Philips-head screwdriver to remove 3 screws
for unlocking the key board and the middle frame.
(No.1~3 screw size=M2X2.5, Torque: 6±1kgf.cm)
Use a Philips-head screwdriver to remove 1
screws to remove the USB board. Disconnect the
cables of the USB board
(No.1 screw size=M3x6, Torque=4±1kgf.cm)
The USB Board
S10
S12
S13