


This causes the BIOS/EFI to re-enumerate all the USB ports on the motherboard and Windows will re-load all the drivers. Count to 10 for good luckĪnd then start your computer. Open Device Manager and uninstall every single USB device. There's one other thing you can try, but it's tedious and not guaranteed to work. plugged in to a hub or with a wire.Īnd oh yes, it's entirely possible that something that worked perfectly at 4:30 PM now fails to work at 4:31 PM. Sometimes a USB device doesn't work properly unless it's plugged in directly to the computer, vs. It's possible that the USB connector is faulty, which can happen after enough plugging in and plugging out. That happened to me twice, on two separate USB devices. It's possible that the USB device that is plugged in has malfunctioned. But it's not a problem caused by Windows. That can have many causes, unfortunately, which makes it tough to diagnose. It means that Windows doesn't recognize what's plugged in to the USB port. Hope this information was helpful and do let us know if you need further assistance. Note : Links relevant to Windows 8.1 also applies If you still face the same issue then you may check for the updated USB device drivers using windows update.Īs an additional resource, please refer to the below links and check if it helps. Repeat the step 2 to uninstall all items under "Universal Serial Bus controllers". To uninstall the driver.Then, restart your computer and Windows will reinstall all USB controllers automatically.Ĭheck if at all there is an exclamation mark along the driver, it suggests issues with the driver installed.Ĥ. Search automatically for updated driver software to make the Windows to search for the updated driver from the Internet.
