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Windows 7: Crackling Noises From Speakers (High CPU Usage?)

06 Jan 2011   #1
mushuchan

Windows 7 Professional x64
 
 
Crackling Noises From Speakers (High CPU Usage?)

It's been a couple months since this started happening. I hear crackling/static-like noises coming from my laptop's speakers whenever sound is playing. Lately, I noticed it only happens when my CPU usage is high (at least ~70%). I hear it mostly while playing videos or even when Windows starts up. I tried reinstalling my sound driver (Conexant HD SmartAudio 221), which didn't fix the problem. Any help would be greatly appreciated!


My System SpecsSystem Spec
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06 Jan 2011   #2
fireberd

Windows 10 64 bit
 
 

There is a ton of posts on here (and other forums) about the noise problems. Look over the posts here and the suggestions to see if anything will help.
My System SpecsSystem Spec
06 Jan 2011   #3
Tonza

Windows 7 Professional (32-bit)
 
 

I think the noise is there all the time you just hear it when it's louder. Probably 50 Hz-60 Hz "brum" type of noise, sound is very prone to electricity. Secondly cracking could be a result of circuit problem, but that could also cause volume jumping(happened in my case). Anyway as fireberd suggested search the forum you'll have a lot of companions.
My System SpecsSystem Spec
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06 Jan 2011   #4
mushuchan

Windows 7 Professional x64
 
 

I've been reading through a lot of posts on this forum for a while now, but no luck yet! I'll keep looking though. Thanks for the advice.
My System SpecsSystem Spec
06 Jan 2011   #5
mushuchan

Windows 7 Professional x64
 
 

Muting/unmuting the microphone didn't work.

But wow, I think I've fixed it! I feel really dumb now. I unplugged the AC adapter, plugged it back in, and the crackling seems to have gone away. What's the cause of this, and is there a fix?
My System SpecsSystem Spec
06 Jan 2011   #6
fireberd

Windows 10 64 bit
 
 

Could be a bad AC receptacle. If it comes back try a different AC receptacle.
My System SpecsSystem Spec
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 Crackling Noises From Speakers (High CPU Usage?)




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