MBPR display stays black when i try to swap from my HDMI TV back to inbuilt display - even when restarted without the HDMI cable connected

I am running OSX 10.8.2 on a month old MBP retina.
Detect display does not show up unless option key is pressed, and even then nothing happens when i click it - it seems to not recognise the inbuilt display at all. I have tried lots of combinations of sleep mode, restarts, CMD + OPT + P + R at start up, nothing will make my macbook display show up - the backlight lights up with a black screen at start up and then goes out. Have tried turning automatic graphics switching off also. Have done lots of research and found some other people with the same/similar problems but no solutions. Any help would be greatly appreciated as my Macbook is useless unless I am at the TV in my living room.

Hi Scotties123 - did you manage to solve this? I have the same problem :(

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[This is an open forum, not Adobe support, please do not post personal information]
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(105412)

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