My laptop Pavilion DV6 work very well in external display but not in internal . No DATA (There is no information on the screen even if i lighting with an external source) . I give another display but the same problem. I have found in This forum said that mybe LID SWITCH problem ; i search the entier mainboard but i cant find it. This is the picture of the mainboard [ATTACH]50.vB[/ATTACH] Can you tell me where is the problem ;and if LID SWITCH problem where i find it I m sorry for my english because i m from morocco.