dunghv Posted July 4, 2014 Share Posted July 4, 2014 I have a Dell Latitude E6430 with detail specifications as following: BIOS A12 | Core i7 3520M 2.9HGz | 4GB RAM | Intel HD 4000 1366x768. I use this guide to create USB to install Mavericks on my laptop. However, my laptop cannot boot with this USB. It always show error “Super IODevice: [Fatal] found unsupported …â€. I checked and found out that the error related to C-states not initiated. The language choosing windows appears and then error log force me to restart. But I did check BIOS and saw that C-states was turned on. I tried with many version of Marvericks from 10.9.0 to 10.9.4 but the same situation happens. Can anyone tell me what problem is? How can I set up my laptop? Thank you so much. Link to comment Share on other sites More sharing options...
pokenguyen Posted July 4, 2014 Share Posted July 4, 2014 Try this: https://osxlatitude.com/index.php?/topic/6372-guide-dell-latitude-5x30-6x30-clover-install-guide/ Link to comment Share on other sites More sharing options...
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