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Static from OCing!!!!!!

post #1 of 11
Thread Starter 
I just got my new grfixx card ( 9800 pro ) a day ago, but I've been having a strange problem. I started noticing static noise coming from my speakers, which wasn't there before with the other graphics cards.
After tweaking some, I've found that the noise comes when I put the card under load. it gets worse as I OC. Currently the cards UCed ( underclocked!!! ) down to 350 core and 600 mem just to keep the noise away.

Has anyone had this happen before? Or have any clues?
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post #2 of 11
I have had this happen before, but it turned out to be when my PSU was under load (graphics load would make PSU load).

Try swapping PSUs and try again.
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post #3 of 11
A lot of speakers will react to interferance from all sorts of things in your computer. I've heard people say to wrap speaker wires in alluminum foil before. Dunno if that would help you, bit it might be worth a shot.
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post #4 of 11
Hi Uzzors2k.
Is your sound card close to the Graphics card, if yes try moving them apart, even putting a card between them can reduce the effect of any magnetic fields. This may be the cause but you should also check in your system information window to check the irqs, shared resources and device conflicts. If you find some issues here make a folder with all the latest drivers required so it is easy to reinstall these devices later. Reboot into safe mode and go to device manager, uninstall the devices and any drivers etc(Safe mode lets you see if you have installed the device twice as in over a previous install so this can often be the problem, to get a clean install you need to uninstall all the devices that have conflicts, sharing issues and double entrys). Reboot and open bios, check for option to allow specific assignment for irqs, follow the bios instructions to turn on. Reboot to windows and install devices and drivers from prepared folder. I hope that this solves the problem, if not you will have at least narrowed it down to a hardware issue, maybe power supply as suggested.
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post #5 of 11
Thread Starter 
I'm not too familier with irqs, but there weren't any conflicts that I could see. The audio controller is onboard, btw.
The static has kinda gone away, and only comes in more graphic intese moments. I'm runnng the 9800 at normal clocks too.
There also seems to be a link between GPU temp and the static, so I'll put a new hs on it. (I have a old 500mhz amd lying around, hehe )
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post #6 of 11
You are of course dead right, the irq issues and all the rest is not relevent to your set up. Sorry for not asking the question 1st. I hope it is the temps as you say, I haven't come across this as an issue on your card so can shed no light. The power supply is a common culprit for a multitude of problems so if you have a decent metre you can check all the rails/leads just in case this is the cause. There are lots of guides on the forums for checking the PSU, and ruling out another possability is always a step closer to the solution. Good luck with the extra cooling and I hope it is the solution. Cheers.
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post #7 of 11
Thread Starter 
I tried powering the graphics card on a seperate PSU, but the problem persists. When I run the benchmark in ATI tray tools the sound actually goes in slow- mo and gets all distorted. A lot like when my friend opens to programs at once while playing music on his AMD... Also my CPU usage is through the roof when the sound messes up.

Therefor the problem is somewhere in the CPU , I think it gets too lagged up to process the sound, but would buying a PCI sound card help? Or what could fix this? I can get a "Creative Labs Sound Blaster PCI 64" for under 10 bucks with shipping.

EDIT: w00t! I can't believe it! All I did was update my sound drivers and the sound is clear, even during ATI tray tools benchmarks.
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Teh Küb
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post #8 of 11
Good to hear you solved it. Best solutions are the ones we should have done 1st but end up spending hours trying everything else imaginable. I tend to cause most of the problems I get so I'm hoping for a driver update myself.
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post #9 of 11
Thread Starter 
Sorry to resurrect a long dead thread, but I felt the real solution must forth incase anyone has a similar problem.

Turns out it was the PSU all a long. Shortly after I fixed the problem it came back, so I swapped PSUs with my bro. And the static disappeared! My old 350 W PSU only had 8 amps on the 12+ rail, pathetic.. My current temporary PSU is a mere 250 W, but has 13 amps on the 12+ rail. Just shows the difference in quality!
Teh Küb
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Teh Küb
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post #10 of 11
I would still get a better power supply, with at least 18amps or better.
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