Can i set my BIOS setting back like it came from the Manufacturer?

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Ansh2236
Ansh2236 Member Posts: 32 Troubleshooter
i updated my bios to latest bios  version from acer official website but now my pc cpu is not performing as it was doing before like my cpu frequency was hitting 4 GHz every core constantly but now it is so unstable and goes like 2.7GHz-3.1GHz at max that too is so unstable is there any way possible i can get my bios advanced setting set like before because i cannot even acces it as it is locked in bios by the manufacturer