There are no active mixer devices available when opening volume control
the sound card and its drivers are installed correctly. I receive this
error message about no active mixer devices when I try to double-click
on the Volume icon in the system tray of Windows XP.
will assume the sound card itself is having difficulty or the drivers
have no been installed, or maybe the system has been muted. However,
when the computer starts or shuts down you hear the normal Windows
sounds. However other audio does not play normally and results in error
Troubleshooting the Error
I checked the Sound and Audio Devices section of the Control Panel in
Windows XP, it shows there are no audio devices and everything is
I checked the System Devices section of the Control Panel to make sure
the sound card was installed correctly and all drivers were installed.
As you can see below, the sound card in this case the Realtek High
Definition Audio card is installed and working properly.
turns out the problem for this error lies in the Windows Audio Service,
which usually starts automatically when the sound card is installed and
working. However, in this case the service was turned off. Follow the
instructions below to reactivate the Windows Audio service.
1) Click on Start and Run
2) Type the following command and press Enter
3) Scroll down to Windows Audio in the right-hand column and double-click on it, you should see a screen similar to this one.
Make sure the Startup Type is set to Automatic and click on the Start
button under Service Status. The Windows Audio service should restart
and the error with the volume control should be resolved.