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Some Refresh Tips for USB Microphone Not Being Recognized

12 May, 2020

Some Refresh Tips for USB Microphone Not Being Recognized

The full article is from Aseem Kishore of Check out other tips here: How to Fix USB Device Not Recognized in Windows     

Method 1 – Unplug Computer

Try this method first, you’ll have saved a lot of time.

Simply UNPLUG your computer from the power supply. Let it sit for several minutes and then plug it back in. Yes that is it! Note that this does not mean just shut down, but actually no more being powered.

Sometimes the motherboard needs to be “rebooted” because things can go wrong. The small microprocessor on the motherboard will reload the drivers and your USB ports should hopefully be recognizing devices again.

Method 2 – USB Root Hub

Open "Device Manager"-"expand USB Serial Bus Controllers"-right-click "USB Root Hub"-"Properties".

Click "Power Management" tab-uncheck the "Allow the computer to turn off this device to save power" box. If you have more than one USB Root Hub listed, you need to repeat these steps for each one. At last restart your computer.

Reconnect the USB device and see if it is recognized. If not, go back to the power management tab for each one and check the box. 

Method 3 – Uninstall Hidden Devices

By default, Device Manager doesn’t show all devices that have been installed to the system. Certain hidden or ghost USB devices can cause conflicts with current USB devices. You can view hidden devices in Device Manager by first opening a command prompt and then typing the following two commands:



start devmgmt.msc

Once Device Manager loads, you need to click on View and then click on Show Hidden Devices.

Expand Imaging DevicesUniversal Serial Bus Controllers and Unknown Devices. If you see anything listed there that is greyed out or unknown device, go ahead and right-click them and choose Uninstall

Method 4 – Connect to Another Device

Connect the USB mic to another machine, such as PS4 or even your smatphone (via a USB adapter) and if it does recognize the device properly, then reconnect it to the original computer.

If there's only another PC available, after connecting USB mic to it successfully, then eject the USB properly from that computer. Chances are the mic will suddenly started to show up on the original computer.

Leave a comment

Lauren E Woodiwiss

July 22, 2020

I have a Mac Air running Catalina. In Preferences the mic, K668 appears in “input”, but not in output, so I can’t "make certain “USB Pnp Audio Device” is selected as the default input device" as stated in the instructions .What do I do now? I am not person who knows a lot, but can follow instructions. Thanks.


July 28, 2020

Hi @Lauren, it seems that the K668 is recognized as the default input and output device. Just select the default input / output device correctly, then you’re good to go.

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