Open "Device Manager"-"expand USB Serial Bus Controllers"-right-click " USB Root Hub"-" Properties".Ĭlick " Power Management" tab-uncheck the " Allow the computer to turn off this device to save power" box. The small microprocessor on the motherboard will reload the drivers and your USB ports should hopefully be recognizing devices again. Sometimes the motherboard needs to be “rebooted” because things can go wrong. Yes that is it! Note that this does not mean just shut down, but actually no more being powered. Simply UNPLUG your computer from the power supply. Let it sit for several minutes and then plug it back in. Try this method first, you’ll have saved a lot of time. 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
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