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Dell OptiPlex 3046 - Power Supply Unit (PSU) Service; Installing the VGA Daughter Board; Removing the Power Supply Unit (PSU)

Dell OptiPlex 3046
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Installing the VGA daughter board
1 Align the VGA daughter board with the screw holder on the system board.
2 Tighten the screw to secure the VGA daughter board to the system board.
3 Insert the VGA connector into the slot at the back of the computer.
4 Tighten the screws to secure the VGA connector to the computer.
5 Install the:
a fan duct
b cover
6 Follow the procedure in After Working Inside Your Computer.
Removing the power supply unit (PSU)
1 Follow the procedure in Before Working Inside Your Computer.
2 Remove the:
a cover
b front bezel
c hard drive assembly
d optical drive
e fan duct
3 To release the PSU:
a Disconnect the power cable from the system board [1] [2].
b Unroute the power cables from the retention clips on the chassis [3] [4].
4 To remove the PSU:
a Disconnect the power cable from the system board [1] [2].
b Lift the cables away from the computer [3].
c Remove the screws that secure the PSU to the computer [4].
Removing and installing components 17

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