Dell XPS One 2720 (Mid 2013) - Manual (Page 60)

60 | Replacing the Power-Supply Unit
Replacing the Power-Supply Unit
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 11. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 13. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Procedure
1 Align the screw holes on the power-supply unit with the screw holes on the
middle cover and replace the screws that secure the power-supply unit to the
middle cover.
2 Connect the power-supply fan cable, power-supply indicator cable, and
power-port cable to the power-supply unit.
3 Route the main power-supply cable and processor power-supply cable through
their routing guides.
4 Connect the main power-supply cable and processor power-supply cable to the
system board.
Postrequisites
1 Replace the system-board shield. See "Replacing the System-Board Shield" on
page 32.
2 Replace the I/O panel. See "Replacing the I/O Panel" on page 41.
3 Replace the stand. See "Replacing the Stand" on page 22.
4 Replace the trim cover. See "Replacing the Trim Cover" on page 20.
5 Replace the back cover. See "Replacing the Back Cover" on page 18.
6 Follow the instructions in "After Working Inside Your Computer" on page 13.
OM_Book.book Page 60 Wednesday, April 3, 2013 1:39 PM