With the computer system turned off, reconnect the USB hub to the the USB port.ģ.A New Hardware Detected window should open and reload the drivers.ī) USB device never worked before / it works but die in midway when doing something or you may get "usb device has malfunctioned":Ģ) Try plug in the device to the back of your computer instead of the front USB port (this is because some computers don't have enough power in the front USB ports)ģ) Some USB 2.0 device are not backward compatible with USB 1.1 ports. Reconnect the USB device to the computer system: =ġ. The VID_… Permissions window will open.ī)With Everyone highlighted in the Group or User name section, select Full Control in the Permissions section. Permissions may be set allowing the deletion of the VID_ entries by following the steps below:Ī)Right-click the key to be deleted, and then click Permissions. Go to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Enum\USB.ģ. Removing the VID entries from the registry will cause them to be redetected at restart.ĬAUTION: If you have a USB keyboard or mouse, do not remove the VID entry for these devices, otherwise, Windows may not restart correctly.ġ. In the command line, type in the following (without the quotes) and press enter after each command:Ģ) Removing all entries under HKEY_LOCAL_MACHINE/Enum/USB that start with VID = Click start and click run then under the run line type in the command “cmd” (without the quotation marks)Ģ. The following solution might be applicable:ġ. If you get "Usb device not recognized" in Windows and the above solution doesn't work for you, there might be other causes:Ī) USB device worked before but suddenly stopped working: Are there any USB devices and unknown devices (including grayed out devices)? If so, please right click it and click Uninstall.Īfter doing this, my device works again with no problem. Click “+” to expand Imaging devices, Unknown devices and USB devices.ħ. Type “start devmgmt.msc” (without quotation marks) and click press Enter.ĥ. Type “set DEVMGR_SHOW_NONPRESENT_DEVICES=1″ (without quotation marks) and Press Enter.Ĥ.
Type “set DEVMGR_SHOW_DETAILS=1″ (without quotation marks) and press Enter.ģ.
I found the following solution workable for my case:
I've plugged in my friend's USB drive on the same computer, perhaps during the automatic installation process, the USB device didn't install properly and then some how it messed up my USB device drivers. I got a "Usb device not recognized" error every time I plugged in the device. However all of a sudden, it stopped working. Well if your computers are still able to detect the flash and give the error message "usb device not recognized" or something like thatġ will work most of the time but if not then 2.
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