Power Supply; Removing The Power Supply - Dell Vostro 220 Service Manual

Power Supply

Removing the Power Supply

1 Follow the procedures in "Before Working on Your Computer" on page 35.
2 Remove the computer cover (see "Removing the Computer Cover" on
3 For the Vostro 220s:
4 Disconnect the DC power cables from the system board (see "System
5 Disengage the cables from the routing clips (if present) on the chassis.
6 Remove the screws that attach the power supply to the back of the
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CAUTION:
Before working inside your computer, read the safety information that
shipped with your computer. For additional safety best practices information, see
the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION:
To guard against electrical shock, always unplug your computer from
the electrical outlet before removing the cover.
NOTICE:
The procedure for removing and replacing the power supply is identical
(except where noted) for the Vostro 420, Vostro 220, and Vostro 220s computers; the
illustrations provided are for example only and may not represent your particular
computer precisely.
page 47).
NOTICE:
Note the routing of the DC power cables underneath the metal routing
clips (if present) in the computer chassis as you remove them from the system
board and drives. You must reroute these cables properly when you reinstall the
power supply to prevent them from being pinched or crimped.
Remove the chassis support bracket (see "Removing the Chassis
a
Support Bracket" on page 55).
Slide the optical drive forward far enough to gain access to the PWR1
b
connector on the system board.
Remove any installed PCI or PCI Express cards (see "Removing a PCI
c
or PCI Express Card" on page 59).
Board Components" on page 40) and the drives.
computer chassis.
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Power Supply