If it fails at the time of installing the driver, or if you leave it unknown by installing any driver in the first place, it will be displayed as "?" In the device manager, but in the first place ...

Device Manager displays a list of all devices that are installed on a Windows computer. When you view device information in Device Manager, you may see a device listed as Unknown Device next to a ...

Device driver installation and maintenance has always been an headache for many Windows users all the while, be it in Windows 95 or Windows Vista. Especially while migrating from Vista or XP to ...