Google - I set my EVGA GTX ftw card to max voltage on evga precision x, I ma have over voltaged it!?

I set my EVGA GTX ftw card to max voltage on evga precision x and i may have over voltaged it! is there any way to know and if so how do i fix it! it

I set my EVGA GTX ftw card to max voltage on evga precision x and i may have over voltaged it! is there any way to know and if so how do i fix it! it sometimes shows a blank white screen before startup, and while watching youtube some small parts of the video become pixilated and when i go back their not there!

or:I set my EVGA GTX ftw card to max voltage on evga precision x and i may have over voltaged it! is there any way to know and if so how do i fix it! it sometimes shows a blank white screen before startup, and while watching youtube some small parts of the video become pixilated and when i go back their not there!

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