Power On Password - Acer V55 System User Manual

If You Forget the Password
If you forget your password, clear the CMOS settings. To clear the
CMOS settings, take the battery out for two hours. Put the battery
back after this time to load the CMOS default settings.
Call your dealer or a qualified technician if you are not confident to
perform the above procedure.
2.5.5

Power On Password

The power on password secures your system against unauthorized
use. Once you set this password, you have to type it whenever you
boot the system.
To set a power on password, highlight the Power On Password
parameter and follow the same procedure as in setting a setup
password. See section 2.5.4.
BIOS Utility 2-23