MBPr+disconected external monitor= no auto graphics switching

Hello!
I am having a problem with automatic graphics switching. Recently i updated OS X to Mavericks and noticed that my MBPr not going back to integrated GPU when I disconect my external monitor. In Activity Monitor all processes are not requiring High perf. graphics. When I click "About this mac"->"More info"->"Displays" there are my disconected external monitor. After restaring MBPr everything is normal until i connect and disconect 2nd monitor.
I am one with this problem?
P.S. Automatic graphic switching in "Settings"->"Energy saver" is on.

i have the same problem too , i expect your comments folks!!!
Ps. Mac Book Pro 13-inch, Mid 2012 Os 10.9 Maverick

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Message was edited by: mhoffmann
sorry, I forgot to mention my hw: Satellite a100-02b ( geforce go 7600 )
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Hi,
and thanks!
> Anyway, I try to understand what you did on the
> notebook
> You have switched the display to the second external
> monitor then you have changed the display position
> (you have rotated the display) and you have tried to
> use the Aero on the external monitor.
> Am I right???
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Ciao !

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MBPr+disconected external monitor= no auto graphics switching

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