HP HDX 16 Maintenance And Service Manual page 75

Remove the top cover:
1. Turn the computer upside down, with the front toward you.
2. Remove the 10 Phillips PM2.5×7.0 screws that secure the top cover to the base enclosure.
3. Remove the three Phillips PM2.0×4.0 screws that secure the top cover to the base enclosure.
Removal and replacement procedures 4–40