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Windows 7: Sound randomly garbled or "underwater"


28 Apr 2013   #1

Windows 7 Home Premium 32bit
 
 
Sound randomly garbled or "underwater"

Today I updated all the drivers for all my cards, parts, etc., and found that after doing so all sounds coming from my computer, be it through headphones or the built-in speakers, from system sounds to game sounds to music will be garbled. They range from the occasional tiny hiccup to getting about a second of "interruption" for every second of sound. I tried to re-update or un-update my sound card drivers, however I cannot seem to find what kind of sound card I have. My computer is an Alienware14x laptop with all the regular components.

It's driving me crazy and if anyone could offer any suggestions as to how I could possibly look into fixing it that would be great! Thanks!
Will

My System SpecsSystem Spec
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29 Apr 2013   #2

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit
 
 

First question, did you use the Dell supplied drivers, especially the sound, or non-Dell drivers. Generally only Dell should be used, especially for the sound.

Audio is Realtek. Product Support for alienware M14x | Dell US

Some sound systems also have "Enhancements" or effects and if that is enabled that could also be a source of problems.
My System SpecsSystem Spec
30 Apr 2013   #3

Windows 7 Home Premium 32bit
 
 

I'm running the diagnostic at the Alienware support website now to see what it turns up. Also, how would it be possible to check if there are any special effects going on? I doubt this is the problem because of how random the sound is, however I'd still like to look into it.

Also, I've begin to develop a new theory: I believe these "shudders" in my sound are actually indicative of my whole computer kind of "shuddering" or "stopping" for a split second. Would there be any way for me to test for this or how would I go about working on it?
My System SpecsSystem Spec
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30 Apr 2013   #4

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit
 
 

Sound is always on a shared Interrupt (IRQ) with some other higher priority device. The higher priority device can be "interrupting" the sound and causing this (one possibility). Since you updated the drivers, that may have put it on a different IRQ which is causing this.

One thing to try, go to the Device Manager, RIGHT click on the entry for the sound and then LEFT click "Uninstall". DO NOT check the box to also uninstall the drivers. Then restart the PC and when Windows starts it will detect and reinstall the sound. Sometimes this will put it on a different shared IRQ and fix or minimize the problem.
My System SpecsSystem Spec
30 Apr 2013   #5

Windows 7 Home Premium 32bit
 
 

I tried that, and it did not seem to help anything :/ Anything else I can try? Or is it possible to change around the IRQ settings to make this not happen?
My System SpecsSystem Spec
30 Apr 2013   #6

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit
 
 

Here is what I have in my Realtek HD Audio Manager, in the Control Panel/Hardware and sound.

Check to see if you have something similiar and check the options.


Attached Thumbnails
Sound randomly garbled or "underwater"-capture.jpg  
My System SpecsSystem Spec
30 Apr 2013   #7

Windows 7 Home Premium 32bit
 
 

In my control panel I do not have a Hardware and Sound option. The only thing I have is a Sound option, which simply lists my input and output devices, and allows me to change the default Windows sounds. There are no options for the output devices other than mono or stereo. I'm beginning to think I do not even have Realtek on my computer because I cannot find anything for it anywhere.
My System SpecsSystem Spec
30 Apr 2013   #8

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit
 
 

If you don't have "Hardware and Sound" that is a major Windows problem as that is a basic part of the Windows operating system.

You may not have Realtek but without the basic Windows feature (available in all Windows installations) that suggests a major OS problem that needs to be addressed first.

I don't know if "SFC /scannow" would find and fix that or if it means a complete reinstall.
My System SpecsSystem Spec
30 Apr 2013   #9

Windows 7 Home Premium 32bit
 
 

Ok I'm running the SFC /scannow currently. Theoretically, what would happen if it identifies an error? And last night I downloaded a bunch of updates from the dell website you posted, I looked and one them was an installer for Realtek audio. However after successfully running the installation and restarting my computer, the problem is still the same as ever.
My System SpecsSystem Spec
30 Apr 2013   #10

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit
 
 

See This link to fix the missing Hardware and Sound. Abort the SFC /scannow.

hardware and sound option is missing from control panel using widows7 - Microsoft Community
My System SpecsSystem Spec
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 Sound randomly garbled or "underwater"




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