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Sep 11, 2009 1:15 PM in response to BertPby baltwo,You need the Pro card, which you don't have. Yours is the standard, the same as is on my iMac. -
Sep 11, 2009 1:23 PM in response to baltwoby BertP,I left out an important detail: I do have the ATI Radeon HD 2600 Pro with 256 MB of VRAM. -
Sep 11, 2009 1:28 PM in response to BertPby baltwo,Ah! The all-important detail!
Then, I have no idea why you can't install it. I suggest downloading a clean copy manually and trying again. If you get the same issue, try a safe mode boot and installing there. Details in http://support.apple.com/kb/HT1455 and http://support.apple.com/kb/HT1564 -
Sep 11, 2009 2:23 PM in response to BertPby BertP,I found another topic on this same issue with 10 posts already. Thanks for links to Safe Boot and Safe Mode, which I kept for reference. -