Most often, resetting the BIOS will reset the BIOS to the last saved configuration, or resets your BIOS to the BIOS version that shipped with the PC. Sometimes the latter can cause issues if settings were changed to take account for changes in hardware or OS after install.

What does resetting the BIOS do?

Resetting the BIOS will remove any BIOS settings you had such as boot priorities, profile info, network addresses, BIOS password etc. There is not much data you can store within the BIOS. Resetting the BIOS does not touch data on your hard drive. … A bios reset will restore the bios to the factory-enabled settings.

Why it is important to check the BIOS settings?

Without BIOS, it would be impossible to use a PC. Every time you boot up your PC, BIOS determines what should happen to the computer. This important system is what calculates how much RAM the PC should use, which hard drive should boot up first, and other equally important functions.