HP Compaq nx8220 Maintenance And Service Manual page 114

Removal and Replacement Procedures
3. Disconnect the fan cable from the system board 1.
✎
The following screws should be loosened and removed, then
installed, in the 1, 2, 3, 4, 5, 6, 7, 8 sequence stamped on the
thermal plate.
4. Loosen the four PM2.0×10.0 spring-loaded screws 2 that
secure the thermal plate to the notebook.
5. Remove the four T8M2.0×4.0 screws 3 that secure the
thermal plate to the notebook.
6. Remove the thermal plate 4.
Removing the Thermal Plate
Reverse the above procedure to install the thermal plate.
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