was working on my computer when the screen went white.restarted the computer and it just shows vertical lines.changed the cable but it is still doing it.please help.
It's the graphics card, the cable, the monitor - or less likely the graphics driver software.You can only eliminate them one at a time.Try your monitor on another system as a first off.
works ok in safe mode
still does not work as i say it works ok in safe mode
Possibly the graphics card then - I've seen such a thing happen before.Is the graphics on the motherboard?If not, try another graphics card.Just a chance it could be the graphics driver has become corrupt - in which case try reloading it.
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