Service Manual

Removing the heat sink

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow

the steps in Before working inside your computer. After working inside your computer, follow the instructions in After

working inside your computer. For more safety best practices, see the Regulatory Compliance home page at

www.dell.com/regulatory_compliance.

NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you

touch it.

CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your

skin can reduce the heat transfer capability of the thermal grease.

Topics:

• Prerequisites

• Procedure

Prerequisites

1. Remove the battery.

2. Remove the base panel.

3. Follow the procedure from step 1 to step 3 in “Removing the hard drive”.

4. Remove the memory module.

5. Remove the wireless card.

6. Remove the keyboard.

7. Follow the procedure from step 1 to step 8 in “Removing the palm rest”.

8. Follow the procedure from step 1 to step 7 in “Removing the system board”.

Procedure

1. Turn the system board over.

2. Disconnect the fan cable from the system board.

3. In sequential order, as indicated on the heat sink, loosen the captive screws that secure the cooling assembly to the system board.

Removing the heat sink 45