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Removing the Power Supply — Desktop
Remove the power supply from a desktop system by following these steps.
Before removing the system unit cover, turn off the power
and unplug the system power cable. Power is removed only
when the power cable is unplugged.
1. Turn off the system and disconnect the system power cord.
2. Ensure that all external cables are disconnected from the front and rear of
the system.
3. Remove the system unit cover (see "Removing the Small Desktop or
Desktop Cover").
4. Label and disconnect every power cable connected to a device or board
within the system.
5. Remove the internal hard drive (see "Removing the 3 1/2-Inch Internal Hard
Drive — Desktop").
6. Remove the internal hard drive bracket (see "Removing the Bracket for the
3 1/2-Inch Internal Hard Drive").
7. Remove the four screws holding the power supply to the chassis (see the
following figure).
Locating the Power Supply Screws — Desktop
A – Desktop Power Supply Screws
8. Gently lift the power supply out of the chassis.
!
WARNING
Disassembly and Reassembly 3-77
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