Stop anyone from starting the machine without the correct key.
Use the arrow keys to find a tab labeled "Security," "Authentication," or "System Password". cmos password
The process varies slightly by manufacturer, but the general steps remain consistent: Stop anyone from starting the machine without the
Restart your computer and repeatedly press a specific key (usually F2 , F10 , F12 , or Del ) as the system starts. and hardware virtualization—from being tampered with.
Protect critical configurations—like boot order, overclocking, and hardware virtualization—from being tampered with.