Instruction
1
Go to the properties of the system. Right click on the my computer icon, select Properties.
2
Go to the Advanced tab and click environment Variables.
3
Pane System variables click the new button.
4
In the dialog box, a New system variable for variable Name, enter devmgr_show_nonpresent_devices, variable value 1
5
Press OK and return to the system Properties. Click OK
6
Go to the Hardware tab. Click the device Manager button.
7
Choose View – Show hidden devices.
8
Disclose all the trees of the list of devices and looking for shaded icons mean that the driver is not used.
9
To uninstall the unwanted driver, right click on the icon of the device and select Delete.