when i try to open final cut pro it says my mac pro is not supported, but i first got it yesterday it was working. I don't know whats going on.
try deleting your application preferences, an easy way to do this is using the utility at this link.
What graphic card is in you Mac Pro ? Here you can find supported cards: http://support.apple.com/kb/HT4664?viewlocale=en_US&locale=en_US
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