Dell Alienware Aurora Alx Service Manual

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CHAPTER 8: FANS 
Fans
WARNING:  Before  working  inside  your  computer,  read  the  safety information that shipped with your computer. For additional safety best practices  information,  see  the  Regulatory  Compliance  Homepage  at www.dell.com/regulatory_compliance.
WARNING:  To  guard  against  electrical  shock,  always  unplug  your computer from the electrical outlet before removing the side panel(s). 
WARNING:  Do  not  operate  your  computer  with  any  cover(s)  (including computer  covers,  bezels,  filler  brackets,  front-panel  inserts,  etc.) removed.
CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.  
						

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CHAPTER 8: FANS 
12
1hard-drive fan assembly cable2hard-drive fan assembly
Removing the Hard-Drive Fan Assembly 
Follow the instructions in “Before You Begin” on page 1. 6.
Remove the left side-panel (see “Removing the Left Side-Panel“ on page 2. 11).
Open the PCI shroud (see “Opening the PCI Shroud” on page 3. 18).
Remove the drive-bay shroud (see “Removing the Drive-Bay Shroud” on 4. page 19).
Disconnect the hard-drive fan assembly cable from the connector on the 5. master I/O board. Make note of the cable routing before disconnecting the cable.
Lift the hard-drive fan assembly out of the chassis.6.  
						

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CHAPTER 8: FANS 
Replacing the Hard-Drive Fan Assembly 
Follow the instructions in “Before You Begin” on page 1. 6. 
Push the hard-drive fan assembly into the hard-drive fan assembly bay.2. 
Route the cable through the slot in the hard-drive bay.3. 
Connect the hard-drive fan assembly cable to the connector on the master 4. I/O board.
Replace the drive-bay shroud (see “Replacing the Drive-Bay Shroud” on 5. page 19).
Close the PCI shroud (see “Closing the PCI Shroud” on page 6. 18).
Replace the left side-panel (see “Replacing the Left Side-Panel“ on page 7. 11). 
Connect your computer and devices to electrical outlets and then turn 8. them on.  
						

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CHAPTER 8: FANS 
123
1PCI-fan assembly cable2PCI-fan assembly
3tabs (2)
Removing the PCI-Fan Assembly 
Follow the instructions in “Before You Begin” on page 1. 6.
Remove the left side-panel (see “Removing the Left Side-Panel“ on page 2. 11).
Open the PCI shroud (see “Opening the PCI Shroud” on page 3. 18).
Remove the drive-bay shroud (see “Removing the Drive-Bay Shroud” on 4. page 19).
Remove full-length PCI-Express cards, if any (see “Removing the PCI-Express 5. Card(s)” on page 32).
Disconnect the PCI-fan assembly cable from the connector on the master 6. I/O board. 
Press the tabs and lift the PCI-fan assembly out of the chassis.7.  
						

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CHAPTER 8: FANS 
Replacing the PCI-Fan Assembly 
Follow the instructions in “Before You Begin” on page 1. 6.
Align the PCI-fan assembly with the metal bracket on the chassis.2. 
Slide the PCI-fan assembly into the chassis.3. 
Connect the PCI-fan assembly cable to the connector on the master 4. I/O board.
Replace full-length PCI-Express cards, if any (see “Replacing the PCI-Express 5. Card(s)” on page 33).
Replace the drive-bay shroud (see “Replacing the Drive-Bay Shroud” on 6. page 19).
Close the PCI shroud (see “Closing the PCI Shroud” on page 7. 18).
Replace the left side-panel (see “Replacing the Left Side-Panel“ on page 8. 11). 
Connect your computer and devices to electrical outlets and then turn 9. them on.  
						

							CHAPTER 9: PROCESSOR LIQUID-COOLING ASSEMBLY 
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CHAPTER 9: PROCESSOR LIQUID-COOLING 
ASSEMBLY
CHAPTER 9: LIQUID COOLING ASSEMBLY 
						

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CHAPTER 9: PROCESSOR LIQUID-COOLING ASSEMBLY 
Processor Liquid-Cooling Assembly
WARNING:  Before  working  inside  your  computer,  read  the  safety information that shipped with your computer. For additional safety best practices  information,  see  the  Regulatory  Compliance  Homepage  at www.dell.com/regulatory_compliance. 
WARNING:  To  guard  against  electrical  shock,  always  unplug  your computer from the electrical outlet before removing the side panel(s).
WARNING:  Do  not  operate  your  computer  with  any  cover(s)  (including computer  covers,  bezels,  filler  brackets,  front-panel  inserts,  etc.) removed.
CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty.
CAUTION:  To  avoid  electrostatic  discharge,  ground  yourself  by  using  a 
wrist  grounding  strap  or  by  periodically  touching  an  unpainted  metal surface (such as a connector on the back of the computer). 
						

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CHAPTER 9: PROCESSOR LIQUID-COOLING ASSEMBLY 
3
4
1
2
5
1processor liquid-cooling assembly2top lighting-board
3cables (2)4captive screws (4)
5screws (4)
Removing the Processor Liquid-Cooling Assembly 
Follow the instructions in “Before You Begin” on page 1. 6.
Remove the left side-panel (see “Removing the Left Side-Panel“ on page 2. 11).
WARNING:  Despite  having  a  plastic  shield,  the  processor  liquid-cooling assembly  may  be  very  hot  during  normal  operation.  Ensure  that  it  has had sufficient time to cool before you touch it.
Disconnect the processor liquid-cooling assembly cable from the connectors 3. (SYS FAN and CPU PUMP) on the top-lighting board.
Loosen the four captive screws that secure the processor liquid-cooling 4. assembly to the system board. 
Remove the four screws that secure the processor liquid-cooling assembly 5. to the chassis rear wall. 
Slide and lift the processor liquid-cooling assembly away from the chassis.6.  
						

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CHAPTER 9: PROCESSOR LIQUID-COOLING ASSEMBLY 
Replacing the Processor Liquid-Cooling Assembly 
Follow the instructions in “Before You Begin” on page 1. 6.
Align the screw holes on the processor liquid-cooling assembly with the 2. screw holes on the chassis rear wall.
Replace the four screws that secure the processor liquid-cooling assembly 3. to the chassis rear wall.
Tighten the four captive  screws that secure the processor liquid-cooling 4. assembly to the system board. 
Connect the processor liquid-cooling assembly cables to the  connectors 5. (SYS FAN and CPU PUMP) on the top lighting-board.
Replace the left side-panel (see “Replacing the Left Side-Panel“ on page 6. 11).
Connect your computer and devices to electrical outlets and then turn 7. them on.  
						

							CHAPTER 10: PROCESSOR 
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CHAPTER 9: PROCESSOR
CHAPTER 10: PROCESSOR