UPDATE for Windows 8 Users: The "Devmgr_Show_NonPresent_Devices=1' environment variable has no effect, since Device Manager no longer shows Non-Plug and Play Drivers/hidden devices.
So how do you remove these old and un-used drivers? Let me show you.
Method #1: Adding a New System Variable (Easier & Safer)
Method #2: Modifying the Registry.
Visit Guide on How-to show Phantom drivers
Results (when Show hidden devices & Non-PnP drivers):
Enjoy removing those pesky drivers!!
So how do you remove these old and un-used drivers? Let me show you.
Method #1: Adding a New System Variable (Easier & Safer)
Method #2: Modifying the Registry.
Visit Guide on How-to show Phantom drivers
Important Note: Before removing the old drivers for devices you still use, it's a good idea to find and download the driver updates to a folder on your drive - especially if they're for your networking devices.
Results (when Show hidden devices & Non-PnP drivers):


Enjoy removing those pesky drivers!!