First, verify your keyboard is plugged into the keyboard console port(There is a keyboard icon behind the CS64U) and your mouse is connected to the mouse console port. (See attached picture) Please note a single wireless dongle (combo keyboard/mouse) should be plugged into the keyboard console port.The default hotkey combination to switch to the next port is: [scroll lock] + [scroll lock] + [enter]The alternate hotkey combination is: [Ctrl] + [Ctrl] + [Enter]The direct port switching is: