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Vertical lines on Windows startup - Video

7K views 8 replies 3 participants last post by  koala 
#1 ·
I was watching a movie on the Windows Media Center, and all of the sudden there were these vertical lines on the screen. They won't go away and I have only tried restarting the computer in order to solve this. The lines appear upon the windows start up menu and while I'm watching movies. Is my video card shot?
 
#9 ·
It sounds like bad video RAM, possibly caused by overheating or a weak PSU. If you can get into Windows, try changing the screen resolution in Control Panel > Display. If the number of vertical lines increases, it's your VRAM.

Check your system temperatures and PSU voltages with SpeedFan. Try running with the case open and a desk fan blowing towards the card. If you don't see any improvement after reducing the case temperatures, then it could be time for a new graphics card.
 
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