How to Unlock the BIOS on an Aspire One

Written by stephen lilley
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The Aspire One is a netbook computer from a company called Acer. Netbooks are basically smaller laptops, designed to be portable and compact while offering long battery life. They are for casual Web browsing and basic word processing and are small enough to fit in a regular bag. You can access the Acer Aspire One BIOS during a short period while your netbook is staring up.

Skill level:


  1. 1

    Plug the AC adaptor that came with the computer into the netbook and a wall outlet to run the computer on AC power, or insert a fully charged included lithium ion battery for battery power.

  2. 2

    Open your Aspire One's lid and press the "Power" button.

  3. 3

    Watch for the words "Press <F2> to Go to Setup" to appear on screen. Press "F2" on your keyboard when these words appear. This unlocks the Aspire One BIOS. If you press the "F2" key before or after these words appear, the BIOS won't load.

  4. 4

    Enter your BIOS password if prompted. If you can't remember it, enter one of the following passwords into the Aspire One password prompt: "BIOS," "CMOS," or "PHOENIX." Depending on when your Aspire One was produced, it uses one of these "backdoor" passwords to access the BIOS. You must type the password in all capital letters. If one backdoor password doesn't load the BIOS, use the next in the list followed by the last.

Tips and warnings

  • As a last resort, send your Aspire One to Acer for professional password removal. Book your unit for repair using the form on Acer's website. BIOS password removal isn't covered under warranty and the fee depends on where you're shipping your computer from. Resetting the password in any other way will void your warranty.

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