blue vertical lines on screen NVIDIA GeForce 8800

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senkasaw
If it is vga the first thing to check is the cable. If it is not securely attached you can get artifacts. Could also mean a bad cable. So try reattaching the cable, making sure it is nice and secure. If that does not work try a new vga cable.

If it is DVI or HDMI or anything like that odds are the card is going out (it is getting pretty old). With a digital connection if something is wrong it just wont display anything.

Also, try hooking the monitor up to another machine...to rule that out as the problem.
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senkasaw

senkasaw

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Aug 2, 2010
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If it is vga the first thing to check is the cable. If it is not securely attached you can get artifacts. Could also mean a bad cable. So try reattaching the cable, making sure it is nice and secure. If that does not work try a new vga cable.

If it is DVI or HDMI or anything like that odds are the card is going out (it is getting pretty old). With a digital connection if something is wrong it just wont display anything.

Also, try hooking the monitor up to another machine...to rule that out as the problem.
 
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mouse24

mouse24

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Nov 30, 2010
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I'd recommend using GPU-Z for temps as it will tell you more that just the core temp. Tells you core/memory/vrm/etc.

Might also need a driver reinstall but that can be a pain so do that after checking temps.

Also does it do this outside of windows? Say in the bios or POST screen?
 
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