Patent ID: 7953910

Claim:
An all-in-one personal computer (AIO PC) comprising: a housing; a mother board accommodated in the housing; a visual display unit (VDU) mounted on the housing; an external video signal input connection on the housing; means for converting an external video signal to Low Voltage Differential Signal (LVDS) format; an LVDS interface between the mother board and the VDU; and an LVDS switch in the LVDS interface and connected to the said conversion means, the arrangement being such that in one state of the LVDS switch, the VDU is connected to display data from the mother board and in another state of the LVDS switch the VDU is connected to display an external video signal; wherein the conversion means is an LCD controller having a scaler for scaling the video signal from the external device, and the controller is arranged between the LVDS switch and the external video signal input connection; wherein the mother board is programmed to present On-Screen Display (OSD) graphical menus and sets of parameters when the LVDS switch is set to present video data from the mother board and the LCD controller is programmed to present On-Screen Display (OSD) graphical menus and sets of parameters when the LVDS switch is set to external video data, the two sets of menus and parameters being independent of each other.