Just to cover all the bases: there is no way to factory reset Windows from the BIOS.

Can you factory reset a computer from BIOS?

Use the arrow keys to navigate through the BIOS menu to find the option to reset the computer to its default, fall-back or factory settings. On an HP computer, select the “File” menu, and then select “Apply Defaults and Exit”.

Can I restore Windows from BIOS?

System Restore can help restore your computer to a previous working state if you find you are having serious problems with it. … Even if your computer will not start up, you can perform a System Restore from the BIOS with the Windows 7 installation disc in the drive.