Hi - my E7440 touch screen went black the other day and I've been unable to get it back. There will be times when the screen turns on, functions normally, but as soon as the PC reboots on reboot its black again. I can connect it to an external monitor and it works, also the touch screen functionality still works while connected to an external monitor.
Does anyone have a suggestion on how to fix the display? I'd really like to be able to use this as an actual laptop again.
Initial research came back with Fn F8 which does not work. Suggestions greatly appreciated