Re: no audio hardware is available. (Error=00040258)

From: Chris Lanier [MVP] (
Date: 07/19/04

Date: Mon, 19 Jul 2004 17:12:08 -0500

Download the drivers from the maker of the sound device.

Chris Lanier
Microsoft MVP - Digital Media
"JohnF" <> wrote in message
> Sound Problems
> I recently had to reload Windows 95 onto my computer and
> since then I have been unable to hear sounds using Windows
> Media Player v6.4.  The error I get is &#8220;Cannot play back
> the audio stream: no audio hardware is available.
> (Error=00040258)&#8221;
> I can still play .mid, .wav files and play CDs using
> Winamp etc.  However, after trying to play a Windows Media
> Player file I can no longer play .wav files and get the
> following error &#8220;MMSYSTEM004 The specified device is
> already in use.  Wait until it is free, then try again.&#8221;
> I have on-board audio.  I did not have the problem prior
> to reinstalling Windows.
> I have removed the audio device in Device Manager and then
> let Windows install the drivers again.
> Can anyone suggest a solution?
> Thanks
> John