I have a laptop Toshiba satellite pro R50-*B-109. The screen is stays at ****** and have connected the laptop at a screen of TV and is not voice nothing . He proved to open the laptop and remove the bouquet and return at posing cleaning and neither functions also have disconnected the battery and have proved only with the feeder and neither functions and have set up the laptop and have looked the disk take and the disk take functions properly . The computer when open the leds of the laptop function properly but the screen functions well have could aid ?