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 power-supply 
cover towards the back of the chassis, and remove the power-supply cover.
2Lift the power-supply cover away from the chassis.
book.book  Page 83  Wednesday, May 16, 2012  2:37 PM 
						

							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-supply cover towards the tabs until it locks in place.
1 bezel 2 power-supply unit
3 screws (4)
2
3
1
book.book  Page 86  Wednesday, May 16, 2012  2:37 PM 
						

							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 instructions.
Prerequisites
1Remove the left side-panel. See Removing the Left Side-Panel on 
page 25.
2Open the PCI shroud. See Opening the PCI Shroud on page 45.
3Remove the PCI-Express x1 card. See Removing the PCI-Express x1 
Card on page 49.
4Remove the graphics card. See Removing the Graphics Card on page 57.
Removing the Coin-Cell Battery
 CAUTION: Removing the coin-cell battery resets the BIOS settings to default. It is 
recommended that you note the BIOS settings before removing the coin-cell 
battery. See System Setup on page 145 for instructions on entering the system 
setup program.
1Locate the battery socket. See System-Board Components on page 20.
2Press the battery-release lever to remove the battery.
book.book  Page 89  Wednesday, May 16, 2012  2:37 PM 
						

							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 Working Inside Your Computer on page 15.
1 coin-cell battery 2 battery-release lever
2
1
book.book  Page 90  Wednesday, May 16, 2012  2:37 PM