Dell Alienware Aurora R4 Owners Manual

Processor81
book.book  Page 81  Wednesday, May 16, 2012  2:37 PM 

82Processor
book.book  Page 82  Wednesday, May 16, 2012  2:37 PM 

Power Supply83
16
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 13. For additional safety best practices information, see the Regulatory 
Compliance Homepage at dell.com/regulatory_compliance.
Prerequisites
1Remove the left side-panel. See Removing the Left Side-Panel on 
page 25.
Removing the Power-Supply Unit
1Lift and hold the tab on the power-supply cover, slide the...

84Power Supply
3Press the securing clips on the DC-wire harness and disconnect the DC-
wire harness from the power-supply unit.
4Loosen the captive screws that secure the power-supply unit to the back of 
the chassis.
5Slide the power-supply unit out through the back of the chassis.
1 power-supply cover 2 tab
2
1
book.book  Page 84  Wednesday, May 16, 2012  2:37 PM 

Power Supply85
6Remove the screws that secure the power-supply unit to the bezel.
7Remove the bezel from the power-supply unit.
1 captive screws (4) 2 power-supply unit
2
1
book.book  Page 85  Wednesday, May 16, 2012  2:37 PM 

86Power Supply
Replacing the Power-Supply Unit
1Align the screw holes on the power-supply unit with the screw holes on the 
bezel.
2Replace the screws that secure the power-supply unit to the bezel.
3Slide the power-supply unit into the chassis through the back of the 
computer.
4Tighten the captive screws that secure the power-supply unit to the back of 
the chassis.
5Connect the DC-wire harness to the power-supply unit.
6Align the notch on the power-supply cover with the tab on the chassis.
7Slide the...

Power Supply87
Postrequisites
1Replace the left side-panel. See Replacing the Left Side-Panel on 
page 27.
2Follow the steps in After Working Inside Your Computer on page 15.
book.book  Page 87  Wednesday, May 16, 2012  2:37 PM 

88Power Supply
book.book  Page 88  Wednesday, May 16, 2012  2:37 PM 

Coin-Cell Battery89
17
Coin-Cell Battery
 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 13. For additional safety best practices information, see the Regulatory 
Compliance Homepage at dell.com/regulatory_compliance.
 
WARNING: A battery may explode if installed incorrectly. Replace the battery 
only with the same or equivalent type. Discard used batteries according to the 
manufacturer’s...

90Coin-Cell Battery
Replacing the Coin-Cell Battery
1Insert the battery into the socket with the side labeled + facing up and 
press down the battery in the socket.
Postrequisites
1Replace the PCI-Express x1 card. See Replacing the PCI-Express x1 Card 
on page 50.
2Replace the graphics card. See Replacing the Graphics Card on page 58.
3Close the PCI shroud. See Closing the PCI Shroud on page 46.
4Replace the left side-panel. See Replacing the Left Side-Panel on 
page 27.
5Follow the steps in After...