Both audio playback through the integrated sound card, and recording through a USB microphone stopped working suddenly - cannot play back or record anything and no application software can find the audio devices.
In device manager both devices are listed, enabled and working properly. If I launch an audio track the sound bars levels against the device do not move. The speaker next to the clock is present and does not have a red cross through it.
The first thing I did was do a system restore to a couple of days previously when it was all working - still nothing. So this eliminates drivers etc being an issue.
I have checked the BIOS to make sure audio is enabled and set to automatic - it is.
The Windows audio manager service is enabled and set to automatic.
Cannot be the integrated sound interface - Dell XPS 430 - because the USB microphone, which is not connected to the sound interface, does not work either.
It is like all audio functions have stopped being accessible to software applications, although Windows 7 Ultimate 64 sees them as present, fully enabled and working.
Any ideas please?
Thanks.
In device manager both devices are listed, enabled and working properly. If I launch an audio track the sound bars levels against the device do not move. The speaker next to the clock is present and does not have a red cross through it.
The first thing I did was do a system restore to a couple of days previously when it was all working - still nothing. So this eliminates drivers etc being an issue.
I have checked the BIOS to make sure audio is enabled and set to automatic - it is.
The Windows audio manager service is enabled and set to automatic.
Cannot be the integrated sound interface - Dell XPS 430 - because the USB microphone, which is not connected to the sound interface, does not work either.
It is like all audio functions have stopped being accessible to software applications, although Windows 7 Ultimate 64 sees them as present, fully enabled and working.
Any ideas please?
Thanks.