Pc wont boot black screem with a white under dash

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AlleGory

Commendable
Dec 30, 2016
15
0
1,510
I was plugging back in my graphics card and accidently hit the clr_cmos 1 button and now when i power back up.my pc it just shows a black screen with a white under dash flashing from this screen i can do nothing.
Plzz help only got my pc for xmas