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Power-Supply Unit 91
Replacing the Power-Supply Unit
Procedure
1
Align the screw holes on the power-supply unit with the screw holes
on the chassis.
2
Replace the screws that secure the power-supply unit to the chassis.
3
Route the power-supply port cable through the routing guides
on the chassis.
4
Route the main power cable and processor power cable through the
routing guides on the chassis.
5
Connect the main power cable and processor power cable to the
connectors on the system board.
Postrequisites
1
Replace the I/O board shield.
See "Replacing the I/O Board Shield" on page 88.
2
Replace the I/O cover. See "Replacing the I/O Cover" on page 83.
3
Replace the B-CAS card. See "Replacing the B-CAS card" on page 27.
4
Replace the power-supply fan bracket.
See "Replacing the Power-Supply Fan Bracket" on page 79.
5
Replace the system-board shield.
See "Replacing the System-Board Shield" on page 51.
6
Replace the VESA-mount bracket.
See "Replacing the VESA-Mount Bracket" on page 44.
7
Replace the back cover. See "Replacing the Back Cover" on page 24.
8
Replace the stand. See "Replacing the Stand" on page 21.
9
Follow the instructions in "After Working Inside Your Computer" on page 13.
OM_Book.book Page 91 Friday, March 30, 2012 1:21 PM