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 on www.dell.com at the following location: www.dell.com/regulatory_compliance.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
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 chassis as you remove them from the system board and drives.
You must route these cables properly when you replace them to prevent
them from being pinched or crimped.
Remove the hard drive cable, CD or DVD drive data cable, front panel
ribbon cable, and any other cables from the securing clip on the side of the
power supply.
Remove the four screws that attach the power supply to the back of the
computer chassis.
1
screws (4)
2
power supply
Slide the power supply towards the front of the computer and lift it out.
Replacing the Power Supply
Set the replacement power supply into place.
Replace and tighten all screws that secure the power supply to the back of
the computer chassis.
CAUTION: Failure to replace and tighten all screws may cause electrical shock as these screws are a key part of the system grounding.
NOTICE: Route the DC power cables under the chassis tabs. The cables must be properly routed to prevent the cables from being damaged.
Reconnect the DC power cables to the system board and drives.
Secure the hard drive cable, CD or DVD drive data cable, and the front
panel cables to the securing clips inside the chassis where available.
NOTE: Double-check all cable connections to make sure they are secure.
