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Volume mixer - no audio device is installed

This is a discussion on Volume mixer - no audio device is installed within the Windows 7 , Windows Vista Support forums, part of the Tech Support Forum category. Hi, I have a HP G7035ea laptop running vista. My problem is no sound. I get the speaker on the

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Old 04-07-2010, 02:18 AM   #1
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Join Date: Apr 2010
Posts: 1
OS: vista basic

I have a HP G7035ea laptop running vista.
My problem is no sound.
I get the speaker on the taskbar with a red cross in it.
When I right click I get "volume mixer - no audio device is installed"
I have gone to the HP site and under product detection have reinstalled the driver for "conexant high definition smart audio 221".
I have restarted windows audio in services.
I have uninstalled / reinstalled the sound device
I have gone to system restore
Dont have a clue what to do next
Could anyone offer any assistance

Many thanks in anticipation

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Old 04-07-2010, 07:10 AM   #2
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Join Date: May 2009
Posts: 25
OS: Windows Server 2003 SP2

no so confident about this answer, just a wild guess, but have you tried going into the BIOS and checking the sound card is enabled.

When the computer turns on look out for a message that says something like press <DEL> <F12> <F11> to enter BIOS/SETUP

When your in there use the arrow keys / tab button to navigate and look for something that says AC97 or onboard sound, or anything that hints at sound and check its turned on.

Other than that, as strange as this sounds, try plugging in some headphones into your machine and seeing if it says the audio device is available (newer windows/drivers can detect if speakers are plugged in, it may be this that is faulty, this may find it out)

Another option to consider is to download Ubuntu (linux) just google it, and burn it to CD/DVD. You can use it to load up linux onto your computer (it runs off the CD, it doesnt touch your files)

Ubuntu will automatically install sound drivers when it loads, see if you can make it make a sound, if so you know its windows thats wrong. It might be worth reinstalling windows or A final alternative is start the computer in safe mode (hold f8 just before the Start Windows screen shows, if in doubt, turn the computer on and just hold it) when in safe mode go into Start > Right Click Computer > Properties > Device Manager and then delete all references to your soundcard, restart and reinstall your soundcard.
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