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Old 08-24-2012, 10:27 AM   #1
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Exclamation Too little power causing graphics problems ?

I have my desktop pc that has 3 fans, gtx460 graphics, a second pci graphics card 3 hdd and 1 ssd, dvd drive.

When i play a video on my second monitor i get two areas of the sceen (very top and very bottom) that sometimes for a millisecond go out of sync and therefore create 2 lines where the two parts of the image is out of sync.

I notices the problem after installing my ssd, (cant remember it being like it before hand)

I have tried removing the power to my 3 HDD and running a video and although its less noticable it still exist.

I have changed the video cable and switched screens and it does not matter so it must be the graphics. I have uninstalled and reinstalled drivers and they are up to date.

I only have a 500w corsair PSU so im thinking that the graphics may not be getting enough power than it needs to run smooth.

Any help would be greatly appreciated.
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Old 08-24-2012, 11:45 AM   #2
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Default Re: Too little power causing graphics problems ?

Plug the specs of your machine into this calculator and it'll tell you the recommended minimum wattage of your PSU.

eXtreme Power Supply Calculator
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Old 08-24-2012, 11:57 AM   #3
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Exclamation Re: Too little power causing graphics problems ?

thanks, its given me 428W recommended so it should be fine then.

Some videos for example through 5od play me up but youtube seems fine, perhaps its just the service.
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Old 08-24-2012, 12:39 PM   #4
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Default Re: Too little power causing graphics problems ?

It's possible. Play a video from a local source and see if it happens.
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Old 08-24-2012, 02:26 PM   #5
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Default Re: Too little power causing graphics problems ?

Also try uninstalling Nvidia software restarting - see if it still happens - then whatever the answer re install Nvidia. I fint that sometimes works when weird problems happen with my AMD 5770.

I doubt power would do that, to me it sounds more like a card problem, signal strength or similar. is it only when watching video, you may find its a fault with you monitor, but only notice it when watching movies.
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Old 08-24-2012, 05:46 PM   #6
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Default Re: Too little power causing graphics problems ?

Have you tried watching a video from YouTube?
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Old 08-25-2012, 02:53 AM   #7
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Do you have the card overclocked? Try turning overclock off then watching movie on second screen.
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