Dell Latitude C640 - Manual (Page 34)

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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.
1 system-board interface
connector
5 M2 x 3-mm screw (1)
2 fan power cable 6 M2.5 x 5-mm screws
(2)
3 spring fingers 7 hybrid cooling fan
4 keyboard screw hole