Installing The Intrusion Switch; Power And On-Screen Display (Osd) Buttons Board; Removing The Power And On-Screen Display (Osd) Buttons Board - Dell OptiPlex 5250 Owner's Manual

Installing the intrusion switch

1 Place the intrusion switch in the slot on the computer.
2 Tighten the screw to secure the intrusion switch to the chassis.
3 Route intrusion switch cable along the retention clips on the chassis.
4 Connect the intrusion switch cable to the connector on the system board.
5 Install:
a VESA mount bracket
b power supply unit
c system board shield
d speaker cover
e cable cover
f back cover
g stand
6 Follow the procedures in

Power and On-Screen Display (OSD) buttons board

Removing the power and On-Screen Display (OSD) buttons
board
1 Follow the procedure in
2 Remove the:
a stand
b back cover
3 To remove the power and OSD buttons board:
a Remove the screw to remove the metal plate that secures the power and OSD buttons board to the computer [1].
b Peel off the tape from the OSD buttons board [2].
c Remove the power and OSD buttons board from the chassis.
d Disconnect the cables from the power and OSD buttons board to release the board from the computer [3].
32 Removing and installing components
After working inside your
Before working inside your
computer.
computer.