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Hybrid Cooling Fan
Dell™ Latitude™ C540/C640 Service Manual

Removing the Hybrid Cooling Fan

NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed
batteries.
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on
the computer.
NOTICE: Read "Preparing to Work Inside the Computer" before performing the following procedure.
1. Remove the hard drive.
2. Remove the keyboard.
3. Remove the display assembly.
4. Remove the palm rest.
5. Remove the microprocessor thermal cooling assembly.
6. Remove the two M2.5 x 5-mm screws and one M2 x 3- mm screw that secure the hybrid cooling fan to the system
board.
1system-board interface
connector 5M2 x 3-mm screw (1)
2fan power cable 6M2.5 x 5-mm screws
(2)
3spring fingers 7hybrid cooling fan
4keyboard screw hole