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Fan

Dell™ Inspiron™ 640M/E1405 Service Manual

  Removing the Fan

  Replacing the Fan

Removing the Fan

CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer.

1. Follow the instructions in Preparing to Work Inside the Computer.
   
   
2. Remove the optical drive (see Removing the Optical Drive).
   
   
3. Remove the hinge cover (see Removing the Hinge Cover).
   
   
4. Remove the keyboard (see Removing the Keyboard).
   
   
5. Remove the display assembly (see Removing the Display Assembly).
   
   
6. Remove the palm rest (see Removing the Palm Rest).
   
   
7. Remove the three M2.5 x 5-mm screws securing the fan to the base of the computer.
   
   
8. Disconnect the fan connector from the system board connector.
   
   
9. Lift the fan out of the computer.
   
   

1	fan	2	M2.5 x 5-mm screws (3)	3	fan connector
4	system board connector

Replacing the Fan

CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer.

1. Follow the instructions in Preparing to Work Inside the Computer
   
   
2. Follow the instructions in Removing the Fan.
   
   
3. Align the three screw holes on the new fan with the corresponding screw holes on the system board.
   
   
4. Replace the three M2.5 x 5-mm screws to secure the fan to the base of the computer.
   
   
5. Connect the fan connector to the system board connector.
   
   
6. Replace the palm rest (see Replacing the Palm Rest).
   
   
7. Replace the display assembly (see Replacing the Display Assembly).
   
   
8. Replace the keyboard (see Replacing the Keyboard).
   
   
9. Replace the hinge cover (see Replacing the Hinge Cover).
   
   
10. Replace the optical drive (see Replacing the Optical Drive).
    
    

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