Show All Your Hidden Devices

To show all of the Devices including hidden ones in the Device Manager, follow these steps:

 1. Open the Registry and look for this string:
    HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager\
 2. Right-click on an empty space in the right pane
 3. Select 'New->String' and name it:
 4. In the Value box type in 1 and click OK