There is password protection to keep outside world out of your system, but do you know that your computer can be fully damaged if someone insert a XP cd and format all the hard disks. There by deleting all your stored contents and settings.
Why not let us create a password to enter your computer for outside world, if there is possibility that someone may damage your content. This can be done very easily just by setting a BIOS password.
Enter your BIOS setting during start up.
Go to supervisor password settings.
Set a password there.
Create a user password
The user password keep the outside world to boot into your computer. Isn't is easy?
The only disadvantage of this type of password setting is the computer wait your password entry to boot into your computer. There by slowing down your computer.

