Macbook not detecting Thunderbolt display

I have a strange behavior with my brand new TB display. I unpacked it the other day, hooked my 15" MB to it and everything ran smooth. Then before going to sleep I shut down the system. At that time I had been running the TB as my main screen (manubar was on the TB display and not on the MB). When I then wanted to restart the computer it would not detect the monitor and no matter what I do it will not turn the display on. I have tried so many things also ran disk utility and reset p-ram but nothing helps. I noticed one strange thing, I connected my iphone to my TB displays usb port and it would not charge until I disconnected the TB plug from my MB, then it would give the ping sound and start charging. The MB charging plug works and lights up when connected so there is power on the display.
My system is running latest version
Anyone whit a solution?

Disconnect the Thunderbolt cable and then Reconnect it. Sorry to tell you but Apple still, in 2013, has not figured out how to do multiple displays on their notebook computers. Kind of odd for what is claimed to be "The Most Advanced Operating System in the World".
That is one reason I bought a Dell Latitude E6420 notebook for work and leave the Mac at home and use it as just a notebook. The Dell has no problems using an external screen as its main screen, as a second screen (Extended Dsktop) and its own screen when no other monitor is connected then back to using the external monitor when it is connected. All that with the internal screen shutting off when the external is setup as the main screen, even with the lid open.
Good Luck & Best Wishes.

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