Have you ever been locked out of an old computer by a forgotten
BIOS password? There's no need to get frustrated. It is relatively easy
to bypass this safeguard. DesktopPower off the computer and make sure that it is unplugged.
up your computer case. You need physical access to the motherboard to
complete this procedure.Find a circular, (mostly) silver metallic
object on the motherboard. This is the CMOS battery.
remove the CMOS battery and leave it out for about 120 seconds. This
will flush the CMOS memory which stores the BIOS password and all other
configuration. Set the battery back into place and power on the
computer.The computer should then warn you that the CMOS configuration
could not be found. You can either reconfigure it yourself or restore
defaults. Restoring the default configuration should be fine.You will
notice that the BIOS password has been cleared and you can boot without
it. You may reset the BIOS password to something else by going into the
BIOS configuration and setting a new User Password (The Supervisor
Password controls access to the BIOS, NOT the computer!)