HP Compaq 320 Maintenance And Service Manual page 91

Remove the top cover on a 39.6-cm (15.6-in) computer:
1. With the display panel in the open position, press in (1) of the ExpressCard to release it and then
pull the card (2) from the computer.
2. Position the computer upside down with the front toward you.
3. Remove the nine Torx M2.5×6.0 screws (1), three Phillips PM2.5×3.0 black broadhead screws
(2), and three Phillips PM2.0×3.0 screws (3).
Component replacement procedures
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