I am sure the problem I found was also a problem that you frequently got. Therefore I want to share tips to solve the USB problem in Windows computer. This USB problem refers to the recognizing issue for any devices which connected to the USB port. Unknown device is connected to the USB port, maybe that's the right phrase to describe it.
Things you need to solve the above problems are by reinstalling the USB controller drivers. Here's how to do it:
- Press Windows + R and type “devmgmt.msc” and hit the Enter buton.
- In Device Manager window, expand “Universal Serial Bus Controller”, right click on the "Host Controller", click "Uninstall" and click "OK".
- Uninstall all items under "Universal Serial Bus controllers", just follow the second step.
- Restart your computer and Windows will reinstall all USB controllers automatically.
To find out has the above method worked well, plug your device into the USB port and wait for some moments. Hope your unrecognized device will be soon installed successfully.
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