On most computers, you can access the PC BIOS by pressing the Del key when the computer turns on. This should bring you to a screen with many options, your PC's BIOS. From here you should flip through the options until you find the option to reset a PC BIOS to the default settings.
Via jumper or removing your battery for a minute. If you plan to jumper the bios, read your motherboard manual to find this jumper location and do as instructed by the manual.
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