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Fan

Dell™ Latitude™ 120L Service Manual

  Removing the Cooling Fan

  Replacing the Cooling Fan

Removing the Cooling Fan

CAUTION: Before performing the following procedures, follow the safety instructions in the Product Information Guide.

CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface.

1. Follow the instructions in Before Working Inside Your Computer.
   
   
2. Remove the hard drive. See Removing the Hard Drive.
   
   
3. Remove the optical drive. See Removing the Optical Drive.
   
   
4. Remove the memory module. See Removing a Memory Module.
   
   
5. Remove the Mini PCI card. See Removing the Mini PCI Card.
   
   
6. Remove the processor thermal-cooling assembly. See Removing the Processor Thermal-Cooling Assembly.
   
   
7. Remove the processor. See Removing the Processor Module.
   
   
8. Remove the hinge cover. See Removing the Hinge Cover.
   
   
9. Remove the keyboard. See Removing the Keyboard.
   
   
10. Remove the display assembly. See Removing the Display Assembly.
    
    
11. Remove the palm rest. See Palm Rest.
    
    
12. Remove the modem. See Removing the Modem.
    
    
13. Remove the speakers connector. See Removing the Speakers.
    
    
14. Remove the system board. See Removing the System Board.
    
    
15. Disconnect the fan power cable from the system board.
    
    
16. Turn the system board over and remove the four M2.5 x 5-mm screws holding the metal plate in place.
    
    

1

fan assembly

2

metal plate

3

M2.5 x 5-mm screws (4)

17. Remove the plate and lift the system board off the fan assembly.
    
    

Replacing the Cooling Fan

1. Position the system board over the fan assembly, aligning the screw holes in the system board with those in the fan assembly.
   
   
2. Place the metal plate over the holes in the system board and replace the four M2.5 x 5-mm screws.
   
   
3. Turn the system board over and connect the fan connector to the system board.
   
   

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