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Prevents an unauthorized user from accessing the HDD and booting into the operating system.įor more information about BIOS, how to access the BIOS, and how to update the BIOS to the latest version, see the Dell knowledge base article Dell BIOS Updates.Switch on laptop, you will see password-entry screen, on this screen is displayed your servicetag: -1D3B, -2A7B, -A95B, -595B Enter this servicetag below (without # or.), and press Calculate.

HDD password - Password that you must enter to allow the BIOS to access the hard drive and continue booting into the operating system.

Prevents an unauthorized user from accessing the BIOS or making changes to the settings in the BIOS.

Setup or Admin password - Password that you must enter to access and make changes to the BIOS settings of the computer.

Without the user password, a user cannot enter the BIOS, access the one time boot menu (F12 menu), or boot into the operating system. Prevents an unauthorized user from using the computer. System or User password - Password that you must enter to log on to the computer.There are three types of passwords that can be set up in the BIOS or UEFI of a computer.

The BIOS or UEFI also contains instructions that the computer uses to perform basic instructions such as date, time, whether to boot from a hard disk drive, USB drive, or the network, and so on. It acts as an interface between the computer's hardware and the operating system. BIOS or UEFI is firmware that is embedded on a small memory chip on the computer's system board or motherboard. BIOS is an acronym for Basic Input or Output System, also known as system setup or UEFI.

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