Your browser won’t be accessible on your primary PC when you’re in the BIOS environment. It’s helpful to keep the manual or guide open on a second device, such as a laptop or smartphone.
There may also be a guide on the BIOS tab of the product page.
A BIOS or UEFI chapter should explain several ways to “flash” - or update - the BIOS. Once you have the product model, navigate to the manufacturer’s product support page and look for the product manual.
Recovery might require a prepared USB stick or CD as well as keyboard activation of a recovery tool built into a prebuilt PC. Note: Before proceeding further, back up your personal files and research recovery options for your PC and motherboard in the case of BIOS corruption.