Dell 540s - Studio Slim Desktop Pc Manuale di servizio - Pagina 21

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  Replacing Fans
Dell Studio™ Slim 540s Service Manual 
  Replacing the Chassis Fan
  Replacing the Processor Fan and Heat Sink Assembly
 
CAUTION:
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.
 
CAUTION:
To guard against likelihood of electric shock, laceration by moving fan blades or other unexpected injuries, always unplug your
computer from the electrical outlet before removing the cover.
 Replacing the Chassis Fan
NOTICE:
Do not touch the fan blades when you are removing the chassis fan. This could damage the fan.
1
chassis fan guide
3
screw
 
1. Follow the procedures in
Before You
 
2. Remove the computer cover (see
 
3. Disconnect the chassis fan cable from the system board connector (SYS_FAN1).
 
4. Remove the screw securing the chassis fan with the chassis.
 
5. Slide and pull the chassis fan away from the chassis.
 
6. To replace the chassis fan, align the fan top notch with the chassis fan guide and push the chassis fan towards the chassis.
 
7. Slide the chassis fan in place.
 
8. Replace the screw that secures the chassis fan to chassis.
 
9. Connect the chassis fan cable to the system board connector (SYS_FAN1).
 
10. Replace the computer cover (see
 Replacing the Processor Fan and Heat Sink Assembly
 
CAUTION:
Despite having a plastic shield, the heat sink fan assembly may be very hot during normal operation. Be sure that it has had sufficient
time to cool before you touch it.
NOTICE:
Do not touch the fan blades when you are removing the processor fan and heat sink assembly. This could damage the fan.
NOTICE:
The processor fan with the heat sink is one single unit. Do not try to remove the fan separately.
2
fan top notch
4
chassis fan
Begin.
Replacing the Computer
Cover).
Replacing the Computer
Cover).