Computer Problem

ok so my computer screen is messing up i have this graphics card
nvidia geforce4 mx 440
and like this is what happening my computer screen keeps blinking and going black every 3 seconds but coming back on nothig changes it just goes black and goes back to normal it happend to me b4 but when my computer geek uncle wiped my COmputer it stoped now its back to doing it again when i was messing with thinngs on the comp ( updating drivers n such ) so if u can help me please do so if im in wrong section please dont Tell me if u arent helping me i only need one person to tell me not 10 people spamming it TYvery much and if possible Team View me because i prob wont get what u saying LOL

Just don't update anything that has to do with video, since, obviously, its messing your computer up.

Your graphic card might not be compatible with your motherboard...or possibly due to hardware failure...expect a BSOD :]