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Hello,
With the issue description, I understand that you are experiencing issue with USB Microphone and it’s not showing in the list. I will certainly help you to resolve the issue however, I would appreciate if you could help me with more information to better understand the issue and provide you a solution.
1. Do you have front audio ports for mic and headphones?
2. Have you tried plugging the mic into the pink jack on the back of the computer?
Use the following steps to test, check hardware and connections, update audio drivers, and configure Windows sound settings. If you follow these steps in proper order, you will fix the problem or you will find that the audio software needs to be configured or updated.
Method 1:
You may use the Microsoft fix it tool in order to fix the recording problems. Please refer to the section
Find and fix problems recording sounds and check if it helps.
https://support.microsoft.com/en-us/kb/2970908
Method 2: Testing for an audio signal in Windows 7
****Use this process to find out if Windows can detect an audio signal from the microphone or from the line-in port.
Note:
If you are testing the line-in port, and if the source device has a volume control, turning the volume up too high on the source device can cause distortion and might damage the audio hardware. Start with the volume low and slowly turn it up until recording is at the desired level. Never turn up the volume more than half way on the source device.
1. Click Start , and then click Control Panel.
2. Click Hardware and Sounds, and then click managing audio devices. A Sound window opens.
3. Click the Recording tab.
4. To test the microphone, speak into it. To test line-in, send a signal to the line-in port from the source audio device (press play from the audio player). Look at the gray bars next to the device name on the recording tab:
If the gray bars next to the device name change to green, this device is active and an audio signal is passing through the microphone or line-in port. This step shows that the problem is related to sound settings in the software that uses the microphone. If you have not already done so, set the selected device to default and adjust the volume levels. When the device is set to default and the levels are set, use and adjust the sound recording or voice carrying software.
If the gray bars remain gray and inactive, the device is not recognizing a signal. Leave the recording tab open and go to the next step.
Method 3**: Checking th** e audio drivers in Windows 7 to resolve microphone and line-in problems.
You might find that a front microphone port does not work, a recording device is missing from the recording tab, a microphone is not recognized when it is plugged in, or other problem. There might be updated audio drivers that can fix these types of issues.
Use the following steps to make sure audio drivers are up to date:
1. Connect to the Internet.
2. Click Start , and type device manager in the Start search field.
A Device Manager window opens.
3. Double-click Sound, video and game controllers.
4. Right-click the name of the sound hardware and select Update Driver Software...
Device Manager: Update Driver Software
5. Click Search automatically for updated driver software and wait for Windows to update the driver software.
Updated Driver Software: Search automatically for updated driver software
If issue persist feel free to write us back for any further assistance, we’ll be glad to assist you.
Regards