Article ID: 133073 - View products that this article applies to.
This article was previously published under Q133073
When you try to play a sound (.wav) file, you may receive the following error message:
Sound Recorder cannot record or play back because a sound device is not installed. To install a sound device, click 'Add New Hardware' in Control Panel.
Troubleshooter: No audio in Windows
Music and sound help with Windows 7
This problem can occur if the "drivers=MMSYSTEM.DLL" entry is missing from the [boot] section of the System.ini file.
Add the following line to the [boot] section of the System.ini file:
If the line is present but has a semicolon (;) at the beginning, remove the semicolon.
Following the instructions in the error message does not eliminate the problem, nor does removing and reinstalling the device in Device Manager. Removing and reinstalling all multimedia components also does not eliminate the error message.
This problem can also cause other symptoms. When you try to adjust the volume using Mixer Control you may receive the following error message:
Media Player will run with this problem present, but the only device listed in the Devices menu will be Video For Windows.
There are no active mixer devices available. You may install or activate mixer devices from Control Panel. This application will now exit.
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.
Article ID: 133073 - Last Review: June 23, 2010 - Revision: 2.0
Retired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.