HP ZE4900 User Manual

Page 115

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5–32

Maintenance and Service Guide

Removal and Replacement Procedures

2. Disconnect the fan cable 1 from the system board.

3. Remove the 3 PM1.5×5.0 screws 2 that secure the heat sink

to the notebook.

4. Remove the heat sink 3.

Removing the Heat Sink

✎

Carefully clean any thermal pad residue from the heat sink and
processor surfaces each time you remove the heat sink. Install
a new thermal pad.


A thermal pad is included with the replacement heat sink and
is also available using spare part number 371809-001.

Reverse the above procedure to install the heat sink.

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