Messeduprex Posted January 13, 2010 Share Posted January 13, 2010 ok i have a hp dv7-1270us with intel C2D P8700 4gb ram 320gb hard drive blu ray drive i'm trying to dual boot windows 7 and osx but everytime i try to load the dvd it locks up before getting to the install screen. i've tried booting with cpu=1,cpu=2,-v,-f and a cobination of them all and nothing works. this is the error i get USBF: 1.531 AppleUSBOHC[0x6471000]: :checksleepcompatability-controller will now be unloaded across sleep Link to comment https://www.insanelymac.com/forum/topic/207059-ipc-1056-install/ Share on other sites More sharing options...
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