Are you tired of getting error of USB device not recognized again & again? If yes then today I am going to share some solutions of this USB device not recognized Error in Windows XP, 7 and Windows 8. Normally when we attach USB flash drive / pen drive/External hard drive with computer then most of the time it works fine.

The problem mostly appears when we attach Mobile Phone, Camera or other external device with computer through USB port. Sometimes after plugging in USB Mouse or keyboard, this problem appears. Most of the time, when your computer resumes from Stand-by or hibernate mode and you plugin the USB immediately then the problem of USB not recognized appears.

Recently when I attached my Sony Xperia V with my Friends laptop with Windows XP installed, it gave me error that USB device not recognized and I was unable to access my Phone storage via his laptop. I found different solutions of this problem while searching internet and finally I successfully solved it. So, here I am going to share some quick fixes if you are also getting the same error.

USB Device is not recognized in Windows XP


How to Solve USB Device Not Recognized Problem in Windows?

1- Remove The USB Device and Plug it again

This is the easiest method to get the problem fixed in seconds. Just remove the USB device which you attached recently and plug it again in the USB port. If it doesn’t work then you can try plugging it again into another available USB port.

2- Restart System after Removing Power Supply

This is another fixture of the USB recognition problem. First of all turn off your computer and remove all the power cables. If you are using laptop then remove its battery after turning it off.

The logic behind this trick is that even if you turn off your computer, capacitors still have charge stored in them and that only discharges when you totally disconnect the power cables or battery from the computer. So, you will have to remove power cables from your PC and wait for 2-3 minutes. Then again connect the power cables (battery in case of laptop) and start your PC again. Now when you connect the USB device then it will work hopefully work fine.

3- Solution via System Restore

If the above solution doesn’t work for you then another option is to restore your system to a previous restore point. If your device was previously recognized by the PC and now gives errors then might be any software or application which you installed recently caused problem. So, in this case System Restore in windows can solve the problem. In order to restore your System in Windows XP/7, follow the path below:

All Programs> Accessories> System Tools > System Restore

4- Disable Power Management of USB

First of all click on start button and then on Run. Type devmgmt.msc in the text box and click on OK button. It will open device manager window. Windows 7 users can access device manager by right clicking on My Computer and clicking on the properties, you will find device manager link in the left sidebar of properties window.

Click on Universal Serial Bus Controllers to expand the list, right click on USB Root Hub and and then click on properties. A new dialog box will be opened. Click on power management tab from the top. Now uncheck the option labeled Allow the computer to turn off this device to save power and then click on OK button. Repeat the procedure for other USB Root Hub from the list.

5- Re-Installing USB Drivers

The above three methods solve the problem of USB not recognized most of the time.  If all the above mentioned solutions didn’t worked for you then the final option is to remove all USB drivers from your PC and install them again.

In order to proceed, first of all open device manager. In Windows 7, right click on My Computer and click on properties. Now from the left menu you will find a link to device manager. Windows XP users can access device manager by typing devmgmt.msc in Run tool.

Now under Universal Serial Bus Controllers Tab, find a driver with a yellow sign of exclamation check its properties. The exclamation sign shows that there is some problem with that specific driver or the drive is not installed. Check the properties of that driver & You will find the uninstall button, click on it. You will have to restart your computer after the uninstall completes. Finally connect the USB device again and it will automatically install the drivers.

Another solution can be to update the drivers by right clicking on the specific malfunctioning USB controller.

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I hope that these tricks will solve your problem and if the problem still exists then please mention in comments so  that we can find an alternate solution for that. Cheers!

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