A few days ago I turned on the PC and immediately it crashed. Blue screen-->Bios reset to default. I'm assuming it was an overclocking problem so I restored my pre-crash BIOS profile and synced all cores one notch lower. I also went to all modified voltages and etc and turned those down a tad bit as well. If you've read this far you've probably realized I have no idea what I'm doing . I'm purely going off youtube videos with system specs similar to mine. Anyways, any help would be awesome.
I7 4790K @4.3 (Originally 4.4)
GTX 980 TI
DDR3-1600 4X4 16GB
Cooler Master Hyper 212
Any input would be amazing. The tutorial I was following for my initial BIOS mod is: