Devices that you install that are not connected to the computer (such as a Universal Serial Bus device or 'ghosted' devices) are not displayed in Device Manager, even when you click Show hidden devices. Less Symptomsĭevice Manager displays only non-Plug and Play devices, drivers, and printers when you click Show hidden devices on the View menu. Microsoft Windows XP Home Edition Microsoft Windows XP Professional Windows Vista Windows 7 Windows 8.1 Windows 10 More.