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6. Remove all cables that are connected to the front I/O panel.
7. From inside the computer cover, remove the mounting screw that secures the front I/O panel to the computer.
8. Remove the front I/O panel from the computer.
9. Reinstall the front I/O panel by reversing steps 5 through 7.
10. Close the computer cover.
11. Connect your computer and devices to their electrical outlets, and turn them on.
Replacing the Power Supply
Removing the Power Supply
1. Shut down the computer.
2. Turn off any attached devices and disconnect them from their electrical outlets.
3. Disconnect the power cable from your computer, and then press the power button to ground the system board.
4. Open the computer cover.
5. Be sure that the AC power cable is disconnected from the back of the power supply. Then disconnect the DC power cables from the system board and
the drives.
Note the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the system board and drives. It is
important to route these cables properly when you replace them to prevent them from being pinched or crimped.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in "Safety Instructions."
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.