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Software Software such as operating systems like Windows XP, Windows Vista, Windows 7 etc., or specific programs.

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Old 02-12-07, 05:53
JeremyI JeremyI is offline
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Default Not the Same Old Sound Problem - No Audio Device / Plug and Play Software Device Enum

Hello everyone,

I just installed Service Pack 2 for Windows XP a few weeks ago and have been without sound ever since. The Sounds and Audio Devices Properties says "No Audio Device".

Although I learned about the workaround involving copying machine.inf to another location, removing the "ExcludeFromSelect=*" line, and loading the driver using this modified file, it doesn't work in my case. Every time I try it, the Plug and Play Software Device Enumerator reverts to being disabled.

When the Add Hardware Wizard is through, I get the message:

----- "The software for this device is now installed, but may not work correctly."

----- "This device is not working properly because Windows cannot load the drivers required for this device. (Code 31)"

I also get a Code 31 error in the properties for the enumerator. Can anyone help, please? Thanks.

HP Pavilion 734n
AMD Athlon 2400+
1.5 Gb RAM
80 Gb hard drive
Realtek AC'97 Audio for VIA (R) Audio Controller
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Old 02-23-07, 12:22
JeremyI JeremyI is offline
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Default Re: Not the Same Old Sound Problem - No Audio Device / Plug and Play Software Device

At last!

Below is a link to the solution that finally worked for me when I was dealing with the "No Audio Device" issue (I had a Code 31 error "Windows cannot load the drivers" even after re-installing the Plug and Play Software Device Enumerator).

The first time I tried it I was unsuccessful and I don't know where the hangup was. The second time everything worked perfectly! So, just a few things I'd recommend keeping in mind:

- Do back up the files that it says to delete, and create a restore point before beginning the registry editing steps.
- Search all components of the registry--keys, values, data--and remember to highlight "My Computer" so that the entire registry is searched. Repeatedly choose "Find Next" until no more hits come up.
- When I began the sequence of reinstalling the Enumerator, the Add Hardware Wizard automatically detected and re-installed my sound driver. I uninstalled the sound driver again (after the Enumerator was installed and before restarting), just in case.
- I don't think there is literally a string "PnP software enumerator" anywhere in the registry. Try "enumerator", although I do not think this part is necessary.

Good luck!
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