HP Compaq Presario,Presario V3501 Maintenance And Service Manual page 79

Switch cover (see
e.
Display assembly (see
f.
Remove the top cover:
Turn the computer upside down, with the front toward you.
1.
Remove the seven Phillips PM2.5×9.0 screws that secure the top cover to the computer.
2.
Remove the two Phillips PM2.0×3.0 screws (1) and the three Phillips PM2.0×5.0 screws (2) that
3.
secure the top cover to the computer.
Turn the computer right-side up, with the front toward you.
4.
Switch cover on page 62)
Display assembly on page 64)
Component replacement procedures 71