How to reset Z87-G45 back to factory specs?

[Rquin69]

Reset Z87-G45 back to factory settings.

 

[rolli59]

Pull the motherboard battery out with the system unplugged from the wall and press the power button. Install the battery again plug in and startup.
Or just use the jumper/button like your manual describes resetting CMOS!

 

[Y0GI]

Also: Go into the BIOS after the above step and select "Load Optimized Defaults". F10 to Save and Exit.

Yogi