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4-14 Dell OptiPlex GX
pro
Systems Service Manual
S
ystem Power Supply
Figure 4-13. Power Supply Removal
To remove the system power supply, follow these steps:
1. Disconnect the AC power cable from the back of the power supply.
2. Disconnect the DC power cables from the system board, drives, and
expansion cards.
3. Free the system power supply from the securing tab labeled
“RELEASE —>,”
and rotate it to the right until it stops.
Press the securing tab to the left to disengage the power supply.
4. Free the power cable bundle from the hook on the bottom of the chassis.
5. Lift the front end of the system power supply up, and move it to the
right to disengage the power supply from the slot in the chassis.
6. Lift the system power supply from the system unit.
DC power
cable (8)
power supply
securing
tab
slot
system board
hook