If you get Unknown USB Device (Port Reset Failed) error in Device Manager, your USB device most probably won’t be recognized by your PC. The error could be caused by different problems. Here you will learn the top solutions to fix the problem. Try the solutions and one must work for you.
The error can be caused by hardware problems. So first, follow below simple instructions to do the troubleshooting.
1. Connect the device to your PC using another USB cable. This may work like a charm on solving the problem.
2. Try the device on a different USB port. This will figure out if problem is caused by a broken port.
3. Connect the device to another PC. This will figure out if the external device has problem.
If there is no problem with the USB cable, USB port and the device, read on and try the following solutions.
Solution 1: Uninstall the USB Drivers
Follow these steps:
1. Open Device Manager and expand category Universal Serial Bus Controllers.
2. Right-click on Unknown USB Device (Port Reset Failed) under this category and then click Uninstall to remove the device.
3. After finishing the uninstallation, restart your PC then Windows will reinstall the device automatically.
Solution 2: Update the Generic USB Hub Drivers
Follow these steps:
1. In Device Manager, under category “Universal Serial Bus controllers”, right-click on Generic USB Hub device and select Update Driver Software…
2. Select Browse my computer for driver software.
3. Select Let me pick from a list of device drivers on my computer.
4. Check the box next to “Show compatible hardware” and select Generic USB Hub. Click on Next button.
Then Windows will update the driver software for the device. If it is done successfully, a window will pop up like this.
5. Repeat the steps above to update driver software for every Generic USB Hub until the problem is resolved.
If the problem persists, go to your PC manufacturer’s website to download the latest USB driver according to the PC model and the operating system that you are using.
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You can use Driver Easy as your final solution.
5. Change Power Management Setting
The Power Management would also be the reason causing the USB problem. Windows is set to shut down your USB controller to save power by default, sometimes it won’t be able to power it back up. So try following steps to prevent Windows from “managing” power to your USB controller or the devices.
Follow below steps.
1. In Device Manager, under category “Universal Serial Bus controllers”,
Double-click the “USB Root Hub” device, and go to the Power Management tab. (if there’s more than one USB Root Hub device, repeat these steps for each one.)
2. Turn off the Allow the computer to turn off this device to save power option, and click OK.