Dell Inspiron 4000 Service Manual page 36

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Microprocessor Thermal Cooling Assembly

Removing the Microprocessor Thermal Cooling Assembly

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

1. Remove the

hard drive

assembly.

2. Turn the computer over and remove the

3. Remove the

display

assembly.

4. Loosen the four captive screws securing the microprocessor thermal cooling assembly.

5. Remove the microprocessor thermal cooling assembly from the system board assembly.

6. Remove the two M2.5 x 5-mm screws and the one M2 x 3-mm screw that secure the hybrid cooling fan to the system board.

HINT:

The fan power cable is long and can be pulled out from under the EMI shield to provide access to the connector.

7. Disconnect the fan power cable from the system board interface connector and remove the hybrid cooling fan.

CAUTION:

Do not block the keyboard screw hole when reinserting the fan cable.

Computer" before performing the following procedure.

keyboard

assembly.