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 likelihood of electric shock, laceration by moving fan blades or other unexpected injuries, always unplug your computer from the electrical outlet before removing the cover.
NOTICE: Note the location and ID of each power connector before disconnecting the power supply cables.
Follow the DC power cables that stem from the power supply and
disconnect each connected power cable.
NOTE: Note the routing of the power cable bundles as you disconnect them. You must route these cables properly when you replace them to prevent them from being pinched or crimped.
Remove the four screws that attach the power supply assembly to the back
of the chassis.
Press and hold the metal release tab at the bottom of the power supply
unit, push the power supply towards the front of the computer to free it
from the securing tabs on the computer chassis.
Gather the power supply bundles that stem from the power supply, for easy
removal and lift it out of the computer.
1
power supply screws (4)
To replace the power supply, align the bottom of the power supply unit
with the tabs on the chassis, then slide it towards the back of the system
till it snaps into place.
Replace the four screws that secure the power supply to the back of the
chassis.
Reattach each of the DC power cables that were previously connected,
carefully rerouting them as you found them.