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 who can tell me the answer? Thanx! | 
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 Yes it can, without problems :) | 
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 I'l update and get cycle reboot after install 10.5.3 But after i boot with -v -F system starts normaly... Now no problems. btw kernel is 9.2.0 =( | 
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 you have a 7xxx card, right?  kalyway: "you may experienced boot problem related to gfx card ! especially with 7xxx nvidia series and ati ! if happen type -v -x" | 
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 Yeah.... 7600GT. btw, i can't create GFX string... Maybe someone can give me link where i can read how to create GFX string for my video\sound\network adapters? | 
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 http://osx86.wikidot.com/how-to-s#toc6 How To, or http://forum.insanelymac.com/index.php?act=attach&type=post&id=29690 pcwiz's osx utilities | 
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 Another gui for GFXUtil can be found here | 
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 thanx to all~ i will have a try~ | 
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 another question,can you sign in the ms message in 10.5.3? it can not be signed in ms message in Zephy Rev.2 10.5.2 ~ | 
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 Just a question : Is it possible to update from zeph's 10.5.1 to 10.5.3 ? |