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The next thing you can try is to disconnect all USB devices and then restart the machine. Method 3 – Restart & Disconnect USB Devices However, if you are installing a USB printer, drawing pad, etc, then it might be worth downloading the driver for that specific device.

If the USB device is just a flash drive, then it’s probably not a driver issue. If this doesn’t work, you can also try to download the driver for your device from the manufacturer’s website. In that case, you should right-click on Unknown Device, click on Properties, then the Driver tab and then click Update Driver. You can get to Device Manager by clicking on Start and typing in devmgmt.msc or by going to Control Panel and clicking on Device Manager. If Windows is not able to recognize the device, you may also see in Device Manager that the device shows up as an “ Unknown Device”. Let it sit for several minutes and then plug it back in. So first turn off your computer using the Shut Down option in Windows or pressing the power button and then UNPLUG the PC from the wall outlet. The small microprocessor on the motherboard will reload the drivers and your USB ports should hopefully be recognizing devices again. all or some USB ports suddenly stop working. Sometimes the motherboard needs to be “rebooted” because things can go wrong, i.e. The motherboard is where all of hardware of the computer connects to, including the USB ports. This is useful sometimes if you want to remotely wake up a computer, etc. Yes that is it! Note that this does not mean just turning off your computer using the power button because most modern computers don’t actually turn off completely and the motherboard will still get power. Simply unplug your computer from the power supply. So how did I finally fix the problem? Well, if you are lucky, it’s a super simple solution! Try this method first and if it works, you’ll have saved a lot of time. Also, check out our YouTube video if your USB drive is not showing up on your Windows computer.