In Device Manager right click – change the drive name and path-select a drive letter that you want on the line.
If you plug a USB is not, then there may be a USB problem, you can try it in the resource manager, change the name of your Flash drive and click Properties, you can change the name, and then thrust again to see if there are any. If there is no borrow someone's a scanner to give it a try, there is still no word is setting.
First of all, you have to look in the Explorer you see u there is no drive letter (such as I), if there is no change as the first drive and path.
The second case, also displays the drive letter, then there should be a registry problem, enter the registry (start--run--type regedit) and find HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR, look at the start if the DWORD value is 3 (double-click to view) if it were three look at HKEY_CURRENT_USER \Software\Microsoft\Windows\CurrentVersion\Policies\Explorer is there a binary value called NoDrives, remember just called NoDrives and then delete it.