head over to this page and download the script related to your make and model of the computer.
Depending on the “format” of the number code/hash (e.g. whether only numbers or both numbers and letters are used, whether it contains dashes, etc.), you need to choose the right script – it is mostly just a matter of trying all of them and finding the one that matches your laptop.
Run the script and enter the number, which you noted from your system. Your bios settings will be easily accessible thereon.
Great freeware scripts to recover BIOS Passwords.
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