Connecting Wired Keyboard and Mouse ā 11Connecting Wired Keyboard and MouseNOTE: You must connect a keyboard to complete Dell Cast setup.If you are connecting only a keyboard, connect the keyboard to theUSB port on Dell Cast.Keyboard with a built-in USB hub1. Connect the keyboard to the USB port on Dell Cast.2. Connect the mouse to the USB port on the keyboard.External USB hub1. Connect the USB hub to Dell Cast.2. Connect the keyboard and mouse to the USB hub.