After installing Windows 7 my audio driver cannot work properly.
It say No Audio Output Device is Installed and there is a red-X cross mark across the speaker icon.

please help

Is it win CE 7.0 or OS for PC?
I have problem for wince 6.0 audio.

After installing Windows 7 my audio driver cannot work properly.
It say No Audio Output Device is Installed and there is a red-X cross mark across the speaker icon.

please help

the driver is not installed
if you know what hardware you have download a recent driver [ Vista drivers may work too , but not earlier versions [ xp ]

if hardware is unknown , either ;
- try DriverDetective , or , better ;
- buy a sound-card

When ever you face these kind of problem you need to uninstall first driver who creating problem and proper update with the help of Technical Support ([Only registered and activated users can see links]) and Tech Support ([Only registered and activated users can see links]).