How to Reset BIOS in a Dell Dimension 8200

Written by andrew todd Google
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How to Reset BIOS in a Dell Dimension 8200
The CMOS battery is contained on the computer's mother board. (computer circuit board details image by JoLin from

If your Dell Dimension 8200 is having start-up problems, you may need to reset the BIOS. The BIOS, which stands for Basic Input/Output System, controls many aspects of your computer, such as the system time and boot order. The BIOS retains its memory even if the power to the computer is unplugged with a small battery, referred to as the CMOS battery. Because of this, simply unplugging the computer will not reset the BIOS.

Skill level:


  1. 1

    Turn on the computer and immediately press the "F2" key when the Dell logo appears on the screen. If the operating system load screen appears, allow the system to load, then restart your computer and try again.

  2. 2

    Hold the "ALT" key and press the "F" key to reset the BIOS to the system defaults.

  3. 3

    Navigate to the system time and date using the arrow keys, then adjust the settings so that they are correct as resetting the BIOS will also reset your system's time and date.

  4. 4

    Press then "ESC" key, then the "Enter" key to exit the BIOS and restart your computer.

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