How to Reset a BIOS Password on an Acer Laptop

Written by robert ceville
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Acer laptops are equipped with a BIOS utility. The BIOS (which stands for "Basic Input Output System") acts as an interface between the hardware and software installed on the computer. On some computers, a BIOS password may be required in order to boot the computer and make changes to the BIOS settings. If you are unable to access the BIOS settings and do not know how to reset the BIOS password, you might be tempted to send the computer back to the manufacturer for repair. Fortunately, that's not necessary as there is a simple way to do this on your own.

Skill level:
Moderately Easy

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Instructions

  1. 1

    Go to "Start," then perform a search for "Command Prompt." The Windows Start button is located in the lower-left corner of your computer screen.

  2. 2

    Double-click on "Command Prompt" to open the application. You will need to use MS-DOS commands to reset the BIOS password.

  3. 3

    Type the following commands one by one in the order shown:

    debug

    o 70 2E

    o 71 FF

    quit

    Make sure that you are typing the letter "o" and not a zero at the beginning of the second and third commands.

  4. 4

    Reboot your computer by clicking "Start," "Shutdown," and then "Restart." The BIOS password will now be reset to default.

Tips and warnings

  • If you do not want to use the command prompt to reset the BIOS password, you can instead remove the laptop's CMOS battery located on the motherboard. Removing the battery for a few seconds and then reinserting it forces the BIOS to reset to the factory defaults. You will have to dismantle the Acer laptop in order to do this. This method requires far more effort and poses a risk of damaging the internal components of your laptop.

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