BIOS password.
The computer prompts for the BIOS password immediately after it is switched on. Most BIOS versions provide the password function. In many cases, the password provides satisfactory protection if you are prepared to accept the following risks:
1. The BIOS password is kept stored by the computer's internal battery. If the battery is removed for 10 seconds or more, the password function is removed.
2. The BIOS password only protects the computer and not the hard disk. If the hard disk is stolen, it is not protected.
BIOS passwords are a nuisance from the system administrator's point of view, too. They work when the owner of the computer is its only user. If more than one user needs to use the computer, they all need to know the same password. If there is no access control product installed on your system, BIOS password might be a temporary solution to achieve a limited level of protection.
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