Dell Alienware Aurora R5 Service Manual

							10 Lift the power-supply unit bracket off the power-supply unit.1chassis2screws (2)3power-supply unit bracket4power-supply unit
11 Remove the screws that secure the power-supply unit to the chassis.
51 
						

							12 Lift the power-supply unit off the chassis.1chassis2power-supply unit3screws (4)52 
						

							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 working inside your computer. 
After working inside your computer, follow the instructions 
in 
After working inside your computer. For more safety best 
practices, see the Regulatory Compliance home page at 
www.dell.com/regulatory_compliance.
 
Procedure
1 Place the power supply on the chassis.
2 Align the screw holes on the power-supply unit with the screw holes on the 
chassis.
3 Replace the screws that secure the power-supply unit to the chassis.
4 Align the screw holes on the power-supply unit bracket with the screw  holes on the power-supply unit.
5 Replace the screws that secure the power-supply unit bracket to the 
power-supply unit.
6 Slide the power supply unit release latches towards the top of the 
computer.
7 Lift and rotate the power-supply unit away from the chassis while pressing 
and holding the graphics-card bracket.
8 Connect the power cables to the graphics card, hard drives, and optical  drive.
9 Connect the processor-power cable and system-board power cable to the system board.
10 Rotate the power-supply unit towards the chassis until the unit snaps into 
place.
11 Slide the power supply unit release latches towards the bottom of the 
computer.
Post-requisites
Replace the left-side cover.
53 
						

							Removing the processor 
cooling-assembly
WARNING: Before working inside your computer, read the 
safety information that shipped with your computer and  follow the steps in 
Before working inside your computer. 
After working inside your computer, follow the instructions 
in 
After working inside your computer. For more safety best 
practices, see the Regulatory Compliance home page at 
www.dell.com/regulatory_compliance.
 
Prerequisites
1 Remove the left-side cover.
2 Remove the right-side cover.
3 Remove the top cover.
54 
						

							Procedure
1 Remove the screws that secure the radiator and fan assembly to the chassis.
1screws (4)2chassis
2 Follow the procedure from step 1 to step 4 in "Removing the power-supply 
unit".
3 Disconnect the processor cooling assembly cables from the system board.
4 In sequential order (as indicated on the processor cooler), loosen the captive screws that secure the processor cooler to the system board.
55 
						

							5 Lift the processor cooling assembly along with the cables off the chassis.1processor cooling assembly2processor cooling 
assembly cables3system board4captive screws (4)56 
						

							Replacing the processor 
cooling assembly
WARNING: Before working inside your computer, read the 
safety information that shipped with your computer and  follow the steps in 
Before working inside your computer. 
After working inside your computer, follow the instructions 
in 
After working inside your computer. For more safety best 
practices, see the Regulatory Compliance home page at 
www.dell.com/regulatory_compliance.
 
Procedure
1 Place the processor cooler over the processor on the system board and the 
radiator and fan assembly in the slot on the chassis.
2 Align the screw holes on the processor cooler with the screw holes on the 
system board.
3 In sequential order (indicated on the processor cooler), tighten the captive 
screws that secure the processor cooler to the system board.
4 Connect the processor cooling assembly cables to the system board.
5 Follow the procedure from step 10 to step 11 in "Replacing the power-supply 
unit".
6 Replace the screws that secure the radiator and fan assembly to the  chassis.
Post-requisites
1 Replace the top cover.
2 Replace the right-side cover.
3 Replace the left-side cover.
57 
						

							Removing the coin-cell 
battery
WARNING: Before working inside your computer, read the 
safety information that shipped with your computer and  follow the steps in 
Before working inside your computer. 
After working inside your computer, follow the instructions 
in 
After working inside your computer. For more safety best 
practices, see the Regulatory Compliance home page at 
www.dell.com/regulatory_compliance.
CAUTION: Removing the coin-cell battery resets the BIOS 
setup program’s settings to default. It is recommended that 
you note the BIOS setup program’s settings before 
removing the coin-cell battery.
 
Prerequisites
1 Remove the left-side cover.
2 Follow the procedure from step 1 to step 4 in "Removing the power-supply 
unit".
Procedure
1 Using a plastic scribe, press the battery-release lever away from the coin-
cell battery until the coin-cell battery pops up.
58 
						

							2 Lift the coin-cell battery out of its socket.1battery-release lever2plastic scribe3coin-cell battery4coin-cell battery socket59 
						

							Replacing the coin-cell 
battery
WARNING: Before working inside your computer, read the 
safety information that shipped with your computer and  follow the steps in 
Before working inside your computer. 
After working inside your computer, follow the instructions 
in 
After working inside your computer. For more safety best 
practices, see the Regulatory Compliance home page at 
www.dell.com/regulatory_compliance.
 
Procedure
Insert a new coin-cell battery (CR2032) into the battery socket with the 
positive side facing up, and snap the battery into place.
Post-requisites
1 Follow the procedure from step 10 to step 11 in "Replacing the power-supply 
unit".
2 Replace the left-side cover.
60