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Installing System Components 81
Power Supply
Removing the Power Supply
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, see your Product Information Guide for
complete information about safety precautions, working inside the computer and protecting against electrostatic
discharge.
1
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2
Open the system. See "Opening the System" on page 43.
3 Rotate the hard-drive carrier out of the system. See
"Rotating the Hard-Drive Carrier Out of the
System" on page 44
.
4
Disconnect the DC power cables from the system board (POWER1 and POWER2), the drives, and
any other cards or devices to which they are connected.
NOTE: Note the routing of the DC power cables underneath the tabs in the system frame as you release the
tabs and remove the cables from the system board and drives. You must route these cables properly when
you replace them to prevent their being pinched or crimped.
5
Using a #2 Phillips screwdriver, remove the four Phillips screws that secure the power supply to the
back panel.
6
Press the power-supply release tab down and slide the power supply toward the front of the system,
then lift it out of the system chassis. See Figure 3-25.
book.book Page 81 Monday, June 5, 2006 1:51 PM