Show ghost devices in the Device Manager
- Open a command prompt (cmd.exe) with administrator rights
- Set the special environment variable with this command:
- Start the Device Manager with this command
- In the Device Manager enable Show Hidden Devices in the View-menu
Permanently make the Device Manager show non present devicesInstead of having to open a command prompt every time, then one can make the environment variables permanent, so the Device Manager will always show non-present devices when choosing Show Hidden Devices.
Set the environment variables by adding the following STRING values to the registry:
More Info MS KB241257
[HKEY_LOCAL_MACHINE \SYSTEM \CurrentControlSet \Control \Session Manager \Environment]
DEVMGR_SHOW_DETAILS = "1"
DEVMGR_SHOW_NONPRESENT_DEVICES = "1"
More Info MS KB304514
More Info MS KB310126
More Info MS KB315539