Brightness with MDP kanex input into 27" imac

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hi

have ps3 kanex hooked imac.

not have snow leopard.

few weeks ago brightness adjustment mdp input started working ace thought.

however, today have noticed function has gone again.

ideas? have missed something? have latest software

cheers

andy
 

i suggest read thread:

http://forums.macrumors.com/showthread.php?t=1175917

long story short: issue documented, , fixed release of os x 10.7.2.
 


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