HP zx5000 - Manual (Page 129)

5–22 Maintenance and Service Guide
Removal and Replacement Procedures
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Steps 4 and 5 apply only to Pavilion notebook models.
4. Remove the 6 PM2.5×6.0 screws 1 and the 4 PM2.5×13.0
screws 2 that secure the thermal cover to the notebook.
5. Remove the thermal cover 3 from the notebook.
Removing the Thermal Cover on Pavilion Notebook Models