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Solution to fix the USB Drive not recognized problem

USBs have surely made our lives simpler and convenient. We like plugging our pen drives, flash drives and other external devices in USB ports but there is a strange problem that happens sometimes that when we insert our USB drive into the USB port we get an error message saying “USB Drive Not Recognized”.



POSSIBLE Cause:
I. you plugged/unplugged instantly your usb into another machine.
II. you plugged another usb onto your machine thus automatically installing the latters drivers.
III. connection from the usb hub has been fumbled with.
IV. electronic currents thus some minor shot circuits


The error message reads “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”. If we open the My Computer we will notice that even our drive has not been detected.
The first thing that will come to our mind is that we should try uninstall and then reinstall the USB drivers but here is the simpler solution and yes no need to edit the registry or try something in the Device Manager.
Solution for the problem:
1.    The solution is just to “Turn off the computer and unplug it from the power supply” (Unplugging is necessary as today even after turning the system off, the motherboard continues to get power).
2.    Let the system remain off for about a minute.
3.    Restart the system and wait for it to boot completely before inserting the drive again again.
Update:
You can try this solution also. Run devmgmt.msc in the run box, then click on My Computer in the Device Manager. Assuming that the USB is in inserted state, click on Scan for Hardware changes under the Action menu. USB should be detected now.



If Problem Persists try this one but be careful because you will be changing driver settings.

A.Remove Hidden Devices

make sure you are the administrator/ you have administrator rights
1. Go to command prompt..i.e Click Start. Click Run. Type cmd and press OK/enter.
2. Type set DEVMGR_SHOW_DETAILS=1 press Enter.
3. Type set DEVMGR_SHOW_NONPRESENT_DEVICES=1press Enter.
4. Type start devmgmt.msc” press Enter.
5. Click View. Click Show hidden devices.
6. Click “+” to expand Imaging devices, Unknown devices and USB devices.
7. If there are there any USB devices and unknown devices, please right click it and click Uninstall.
.
Your Problem: Usb device not recognized and above solution din't work for you:

B) Remove all oem*.inf files =
I. Go to command prompt..i.e Click Start. Click Run. Type cmd and press OK/enter II. type cd \windows\infren infcache.1 *.oldren oem*.inf *.old del C:\windows\setupapi.log
C ) Removing all entries under HKEY_LOCAL_MACHINE/Enum/USB that start with VID ==
Removing the VID entries from the registry will cause them to be redetected at restart.
CAUTION: If you have a USB keyboard or mouse, do not remove the VID entry for these devices, otherwise, Windows may not restart correctly.

1. Click Start and click Run. Type regedit and click OK. The Registry Editor window will open.

2. Go to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Enum\USB.

3. Highlight and delete all the VID_…. entries.

Permissions may be set allowing the deletion of the VID_ entries by following the steps below:
a)Right-click the key to be deleted, and then click Permissions. The VID_… Permissions window will open.
b)With Everyone highlighted in the Group or User name section, select Full Control in the Permissions section.
c)Click Apply, and then click OK.

4. Turn off the computer.

Reconnect the USB device to the computer system,

1. With the computer system turned off, reconnect the USB hub to the the USB port.
2.Restart the computer.
3.A New Hardware Detected window should open and reload the drivers.

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