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172 posts

Master Geek
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Topic # 109169 13-Sep-2012 22:26 Send private message

I'm fairly good at picking these problems out (ie can problem x be replicated with item b) but I'm a bit short on resources at the moment. Basically I started getting blue artefacts on my main monitor recently. Also when the monitor is off for some time and turned back on I get a nasty case of the screen shakes. I've plugged in a secondary monitor (lower resolution) and I can't replicate the problem.

Normally I'd be inclined to say it was the gfx card as the artefacts on the monitor appear on certain backgrounds and will even follow certain items around on the screen (ie using a freecam in a 3d game certain walls will have a sparkly blue to them)... However even running games at the same resolution I can't replicate issue on second monitor. The monitor is fairly old - bout 4 years and the graphics card is about 2. (Yeah I know replace them both...... lets not go there)

I've seen a fried laptop gfx card in action before and it doesn't seem the same. I've also run a gfx card memory tester and it came back ok.

I'll probably test it in the weekend with my work laptop and see what happens, but thought I ask if anyone had see this behaviour before.





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Spark NZ

  Reply # 685824 13-Sep-2012 23:30 Send private message

Maybe it is video memory. What happens on a fresh startup when systen is cool?



172 posts

Master Geek
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  Reply # 685874 14-Sep-2012 08:24 Send private message

Restarting the computer seems to clear things up for a short while. The artifacts generally ramp up when I start gaming... which makes it sound like the cards at fault - but then it seems odd that it's not showing on the second monitor, even if I have that as my primary. Also, I ran a video memory test which came back clean. I may need to find another program to check VMT's reliability though

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  Reply # 685883 14-Sep-2012 08:50 Send private message

gished: Restarting the computer seems to clear things up for a short while. The artifacts generally ramp up when I start gaming... which makes it sound like the cards at fault - but then it seems odd that it's not showing on the second monitor, even if I have that as my primary. Also, I ran a video memory test which came back clean. I may need to find another program to check VMT's reliability though


Sounds like hear affecting video memory, but if its ok on the other monitor in same gaming conditions, it doesnt appear to be the card.

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  Reply # 686336 15-Sep-2012 09:42 Send private message


We dont know that the monitors are the same connection so it could still be the card has faulty lvds dltransmitters but the second screen is a grotty low res analog one etc.




Richard rich.ms

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