also I have restarted the PC several times.I have tried different apps with it, the same thing ' black screen'.Remove all USB devices and just connect the microscope.Connect the Microscope to other PC and it works!.Uninstall USB hubs and install them again.Uninstall all drivers and install them again.
I have USB microscope and this is the hardware number:Īnd the PC recognize it as Lenovo easy camera.
