Rear'Microphone' and 'Line in' Sound recording devices are unavailable - Windows 7 Help Forums
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Windows 7: Rear'Microphone' and 'Line in' Sound recording devices are unavailable

25 May 2012   #1

windows 7
Rear'Microphone' and 'Line in' Sound recording devices are unavailable

Good morning all.

Could anyone please explain to me how to enable my rear 'microphone' and 'line in' devices in win7 64? Currently they are listed as unavailable(see attached image). The rear 'microphone' input socket has a guitar physically plugged into it, and the 'line in' has a stereo synth plugged into it. I need to enable or switch these on somehow.

On a related note, could anyone explain what the 'Stereo Mix' input device is used for?

And finally, can anyone explain why when using a DAW such as Cubase, i can only successfully hear output when i disable the Playback 'Speakers' device (I have to re-enable it if i wish to subsequently play movies or music from the Windows desktop - see attached image.

Thanks for looking.

Attached Images
My System SpecsSystem Spec
26 May 2012   #2

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit

I have a recording system using Sonar X1 and Pro Tools MP9. I use a Roland Octa-Capture as my recording interface unit and when its attached to the PC it is automatically set as the default playback device and recording device. When I disconnect it (power off) my PC's sound card automatically resets as the default playback device and my System Mixer (same as Stereo Mix) becomes the default playback device.

The first thing I see is the Vsynth XT is set as default playback device and not your "Speakers" (sound card) which is disabled, which could be the cause of the problems.

The System Mixer/Stereo Mix (Soundblaster calls this "what you hear") is normally set as the default recording device and along with Soundblaster, what you are hearing on the speakers is available for recording. With the System Mixer whatever device is inputting, such as speakers or line in is available for recording using the System Mixer. You set your recording program to use the PC's System Mixer (Stereo Mix) as the recording source (for analog inputs).

The devices that are currently unavailable, along with the speakers suggests the PC's sound is disabled or not functioning. Correcting that should bring back the recording devices, although you may have to enable them after you get the PC sound device (VIA HD Audio) working correctly.

First step, remove/disconnect the Synth you have connected and see if that enables the sound device and recording devices. If not, check the status of the device in the Device Manager. You may have to either (or both) uninstall the VIA in the Device Manager (but not the drivers) then restart the PC and let Windows detect and reinstall the sound, and/or reinstall the correct VIA drivers either from the PC vendor or the motherboard vendor as applicable.
My System SpecsSystem Spec

 Rear'Microphone' and 'Line in' Sound recording devices are unavailable

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