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 base cover.

2. Remove the battery.

Procedure

1. In sequential order (as indicated on the heat sink), loosen the four captive screws that secure the heat sink to the system board.

2. Lift the heat sink off the system board.

Figure 16. Heat sink

a. heat sink

b. captive screws

c. system board

36 Removing the heat sink