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Computer Failure

Hello, my computer spontaneously stopped working last night. I was browsing a web page and random grey blocks started appearing. I presumed it may have just been a display issue as I shut it down and went to bed. I turned it back on this morning and now it's displaying grey strips vertically across the screen about an inch apart from each other. The computer itself starts up to Windows then just displays the blue screen of death; I can't make out what it says though. I've replaced the memory and that doesn't seem to be the problem. I've also changed the HD with one from another computer to see whether that was the problem (which it isn't).

Does anyone have any idea what the issue could be?

Thanks in advance, Alex.

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Those blocks were a great clue.

I'd try another video card.

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Computer Failure

Ok, cool. Because it makes a peculiar noise once booted and displays a blue screen error message (or just instantly restarts) upon reaching the Windows loading screen/desktop everytime, I presumed the problem lied else where. I'll try changing the graphics card. Cheers Happy

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The card might be good but ...

you got it set to a unsupported resolution or refresh rate or the driver is corrupt. You can check that by seeing if you can boot to Safe Mode with networking which uses VGA drivers and allows Internet connection.

If the gray blocks and or stripes are gone the card itself is likely still OK and you just need to re-set resolution and refresh rates to something that the card supports AND it might be wise to update the video drivers at the same time.

If the blocks and or lines are still present in Safe Mode then just replace the card.

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