Acer Altos R720 Series - Manual (Page 129)

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Security
The Security menu allows you to safeguard and protect the system
from unauthorized use by setting up access passwords.
Parameter Description Option
Administrator
Password Prevents unauthorized access to the
BIOS setup utility. Not Installed
Installed
User Password Secures the system against unauthorized
use. Once you set this password, you
have to type it whenever you boot the
system. User password is available only
when an Administrator password is set. Not Installed
Installed
Administrator
Password Press Enter to change the Administrator
password.
User
Password Press Enter to change the User
password.