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Processor Heat Sink (Inspiron 400 Only)
Dell™ Inspiron™ 300/400 Service Manual
Removing the Processor Heat Sink
Replacing the Processor Heat Sink
WARNING:
Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
WARNING:
The heat sink may be very hot during normal operation. Be sure that it has had sufficient time to cool before you touch it.
CAUTION:
Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™
is not covered by your warranty.
CAUTION:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface (such as a connector on your computer).
CAUTION:
Do not perform the following steps unless you are familiar with hardware removal and replacement. Performing these steps
incorrectly could damage your system board. For technical service information, see the Setup Guide.
Removing the Processor Heat Sink
1. Follow the procedures in
Before You
2. Remove the top cover (see
3. Remove the top bracket (see
4. Remove the optical drive (see
5. Remove the drive bay (see
CAUTION:
To ensure maximum cooling for the processor, do not touch the heat transfer areas on the processor heat sink. The oils in your skin
can reduce the heat transfer capability of the thermal grease.
6. In sequential order (indicated on the processor heat sink), loosen the four captive screws in descending order that secure the processor heat sink to
the system board.
7. Carefully lift the processor heat sink away from the computer.
8. Lay the processor heat sink down on its top, with the thermal grease facing upward.
1
processor heat sink
Replacing the Processor Heat Sink
Begin.
Removing the Top
Cover).
Removing the Top
Bracket).
Removing the Optical
Drive).
Removing the Drive
Bay).
2
captive screws (4)
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