Bad performance after windows update or wrong overclock on voltage.

Aug 15, 2018
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[Moderator note: moved post to overclocking.]

So yesterday windows updated and I changed my voltage from 0 to 50 on afterburner without knowing since I did that I get 40 fps less on my fav game : Ark survival evolved my specs are:
AMD A10-7870K Radeon R7 3.90 GHz 4 cores
16GB DDR3 (15GB available)
500 watt PSU
GTX 1050ti
MSI A68HM GRENADE AMD A68H Socket FM2+ Micro ATX

I reset all afterburner things deleted all profiles and deleted afterburner But I get bad FPS

EDIT: MY TWO MONITOR CABLES WERE CONNECTED TO MY MOTHERBOARD SOLVED