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PC Audio Crackles every time PC is left on for 24 Hours. - Page 2

post #11 of 16
Then your issue is DPC latency. 8000 us is 8 milliseconds, which is an absolute eternity for a computer. Its amazing it plays sound at all like that. Start shutting down programs background services until it goes away. Also try unplugging devices, if need be. Playback issues are probable above 1000us, and you've 8 times that.

I used LatencyMon to determine that, on my machine, the issue was caused by Gigabyte's EasyTune.

Honestly, whatever is causing the DPC issue is probably slowing the whole machine down.
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post #12 of 16
Thread Starter 
Memtest Results
http://postimg.org/image/c7jjql84z/


So after I restarted my PC I ran DPC Latency Checker again and right now it's going between 70 - 120 us


@kevmatic how can I figure out what it is?

I reset my PC and turned on DPC Latency Checker and started keep logs.

Time Lows Highs
4:30 43 105
5:00 50 400
5:30 50 464
6:00 50 464
6:30 50 593
8:00 635
After Playing around of BF4
1170
2:00 3355
11:30 9751
Edited by SSSJDanny - 11/2/13 at 11:36am
post #13 of 16
You can use LatencyMon, once the issue starts up again. That'll tell you which .sys is being bad and you can then figure out which device that .sys belongs to.
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post #14 of 16
Thread Starter 
UsbPort.sys is the one thats been standing out the most.

But will the DPC slowly rise throughout the day? I've been running DPC Latency Checker and after a PC Reset it starts at 105 and goes as high as 9751.



Edit:

I updated my Bios, and A lot of Drivers I never previously downloaded or updated. It seems like My DPC Latency has gone down quite a lot.

12 Hours after having my PC on the max Latency was 1780. Now it's averaging about 90-140. Is that ok?
Edited by SSSJDanny - 11/3/13 at 10:25am
post #15 of 16
Yes, anything under 500 is good. Under 300 is excellent.
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post #16 of 16
Thread Starter 
Ok Cool. I've left my PC on for over 24 Hours The DPC Latency Checker still shows my PC Averaging 100us.
I left my XBMC Program on for most of the time playing TV, and haven't herd a crackle come from my Speakers.

Thank You Guys for the Help.
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