HP 4410t - Mobile Thin Client Maintenance And Service Manual page 63

Removal and replacement procedures
Remove the heat sink:
1. Disconnect the fan cable 1 from the system board.
2. Following the sequence stamped into the heat sink, loosen the five Phillips PM2.5×9.0 captive screws 2 that
secure the heat sink to the system board.
3. Remove the heat sink 3.
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Due to the adhesive quality of the thermal material located between the heat sink and system board components,
it may be necessary to move the heat sink from side to side to detach it.
4–30 Maintenance and Service Guide