USB device cannot be recognized under Win7

Many users connect some external USB devices when using computers, but sometimes they find that the computer cannot recognize the USB device. If this happens, you can follow the steps below to troubleshoot the problem and try to solve it.

USB device not recognized by win7

1. Right-click "My Computer" and select "Properties"

2. Select " Device Manager"

3. Find "Universal Serial Bus Controller"

4. Click to expand, Right-click the USB device inside, select "Properties" to open it, and select "Power Management"

5. Uncheck the red box. Do the same for other USB devices. , and then just restart the computer.

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