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Summary

This page offers six solutions to fix the 'USB device malfunctioned and is not recognized' issue in Windows 10/8/7/XP. If you get this error message 'The last USB device you connected to this computer malfunctioned, Windows does not recognize it' or you cannot open your device, accessing data, try fixes and data recovery software here to fix this issue without data loss.

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This page unveils six solutions to fix the 'USB device malfunctioned and is not recognized' issue in Windows 10/8/7/XP. If you hare having this error and received an error message, warning that 'The last USB you connected to this computer malfunctioned, Windows does not recognize it', don't worry. Pick up any method below to make your USB recognizable and work again.

Workable Solutions	Step-by-step Troubleshooting
Fix 1. Unplug Computer	Shut down computer > Unplug the power cable > Replug and restart the computer a few minutes later...Full steps
Fix 2. Change USB Cable/Port	Check the available USB cables and ports one by one > If USB cable or ports itself is damaged, change it ...Full steps
Fix 3. Update Device Driver	Open Disk Management > Expand 'Universal Serial Bus Controllers' > Right-click 'Generic USB Hub'...Full steps
Fix 4. Fix Root Hub	Open Device Manager > Expand Universal Serial Bus Controllers > Right-click USB Root Hub...Full steps
Fix 5. Change USB Settings	Right-click Windows icon and select 'Power Options' > 'Change plan settings' > 'Change advanced...'...Full steps
Fix 6. Reinstall USB Driver	Open Device Manager > Expand Universal Serial Bus Controllers > Locate USB drivers...Full steps

'USB device not recognized' is an error that usually occurs to Windows 10/8/7/XP/Vista when you plug in a USB device to a PC. Here, the USB device mentioned by Windows is a general concept, not limited to a USB hard drive or flash drive, but other devices using a USB port for connection, including a USB mouse, keyboard, Android phone, camera, printer, etc. When Windows generates such an error, what does it hint? Above all, the USB will not show up on your computer. As a result, you will not be able to open your device or access your data. In different situations, the error is followed by different messages.

'The last USB device you connected to this computer malfunctioned, and Windows does not recognize it.'

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'One of the USB devices attached to this computer has malfunctioned, and Windows does not recognize it. For assistance in solving this problem, click this message.'

The USB device malfunctioned and not recognized error has frustrated a large number of users. If you are one of the victims, here are some fixes you can try to resolve the issue and make your device detected by your PC.

How to Fix USB Device Malfunctioned and Not Recognized in Windows 10/8/7/XP/Vista

If your device is not recognized at the moment, you can try the below six solutions to make it show up again. You don't have to try every method, but we strongly recommend you follow in the sequence, which our experts have tried many times, so presented the solutions from the mostly working to probably working.

Fix 1. Unplug your computer

It sounds like a piece of cake thing to do, but it works! For most of not recognizing USB gadgets, there is typically nothing wrong. A computer restarting could happily solve it. But note, you are not supposed to use the power button of the computer to turn it off, but cut your computer power at its source. We say, unplug your computer from the wall outlet.

This way is to reboot the motherboard, which has all of the computer hardware connected to, including the USB ports. Rebooting the motherboard usually helps solve the temporary insufficient power supply for outside devices. Leave the computer alone for a few minutes, and then replug it in the wall outlet for a restart.

This time check if the computer is able to detect the USB device and assign a drive letter to it. If failed, don't panic, the next fixing methods are also doable.

Fix 2. Change the USB cable or USB port

Are the computer's USB ports working properly? You need to check the available USB ports one by one, to see if it's the computer hardware issue or the issue of the device itself. If changing to another port solves the problem, then there is something wrong with this port and you might give up this one, or ask someone to have it fixed for you. Why not fix a not working USB port on your own as an attempt?

Moreover, some people who don't have enough USB ports are likely to buy a USB hub. If the device is connected via the additional USB hub, don't forget to connect it directly to the PC.

Fix 3. Update/Rollback a device driver

Device Manager operation is another widely suggested way to troubleshoot a nonrecognizable USB device on Youtube and IT forums. Does this method apply to your situation? Go on to have a check.

First of all, open Device Manager.

The universal way of opening a program in Windows 10 is in the Search box. Type device manager in the search and double click the result so you can get in. In other Windows operating systems, including Windows 10, to access the Device Manager, press Windows + R keys simultaneously to bring up the Run box, type devmgmt.msc and hit Enter.

Then, expand 'Universal Serial Bus Controllers' and you will see one, usually more than one item called 'Generic USB Hub'. Righ-click on the first Generic USB Hub and choose Properties.

Now, navigate to the 'Driver' tab, choose 'Update Driver...'. When asked how do you want to search for driver software, there are two options.

1. Search automatically for updated driver software

This way is an automatic update by Windows. When it finished, all you need to do is to disconnect the USB device, restart the computer and reconnect it again. Windows will install the latest driver for you.

2. Browse my computer for driver software

This is also a working way. When you choose this option, you need to continue with the other pop up 'let me pick from a list of device drivers on my computer.'

From the list, select Generic USB hub, which normally the only choice. Click 'Next' and then Windows will install the driver for you.

Tip: If updating driver doesn't help solve the USB device problem, don't suspend though, try to update each Generic USB Hub until updated them all for once.

Finally, in the same path to update the driver, you can also try to roll back to the previous driver before the error occurs. Instead of selecting 'Update Driver' in the 'Driver' tab, choose 'Roll Back Driver' this time.

The changes made on the computer power and the device driver should take effect, and your USB device will no longer report issues. Otherwise, try the rest three methods one by one.

Fix 4. Fix USB Root Hub

Open Device Manager. Find the Universal Serial Bus controlle

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