The USB device is not detected under Windows 10/8/7/7

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Sometimes, when you connect a USB device to your Windows 10, Windows 8 or Windows 7 computer, you receive an unrecognized USB popup message. If your USB device is not recognized, this message shows you how to solve the problem. You can follow these suggested solutions in any order you deem appropriate for your version of the Windows operating system.

USB device not recognized

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The following message may appear on a Windows 10 computer:

The last USB device you connected to this computer is defective and is not recognized by Windows. Try reconnecting the device. If Windows still does not detect it, your device may not work properly

1] A simple reboot of the Windows computer can sometimes solve this problem. Unplug the USB connector, restart your computer and connect it to see if it works now. If this is not the case, turn off the computer, wait a few minutes, then restart it.

2] To avoid possible conflict between two connected USB devices, disconnect your other USB devices, connect them and check if this helps.

3] Run devmgmt.msc to open the Device Manager. From the Action tab , select Check Hardware Changes and check if it helps.

Check if you need to update your drivers. Open Control Panel > Printers and Devices. Check if you can see an input for Unknown USB device or Unknown device or Unknown device. Open its properties and update its driver when an update is available.

4] In Device Manager, under USB Root Hub Properties, clear the Allow computer to turn off this device to save power check box . Let’s see if it helps. If this is not the case, check again.

Perform Windows USB or hardware troubleshooting and see if it helps. Automated tools check the hardware or USB connected to the computer to detect known problems and correct them automatically.

KB2830154, if you are facing this problem.

7] If your USB 3.0 device is not recognized, consult tUSB devices that do not work under Windows.

8] This article will help you if your external hard disk is not recognized.

Let’s hope something helps.

Do you have any other advice? Please use the comments below to let us know.

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