john67 Posted September 3, 2015 Share Posted September 3, 2015 so ive got osx leopard on my dell latitude d520 and i was talking to a mate and he said id be best upgrading to yosemite. rather then try this i thought id ask here first Link to comment Share on other sites More sharing options...
Administrators Hervé Posted September 3, 2015 Administrators Share Posted September 3, 2015 Well, you'd actually be very ill-advised to attempt upgrading to Yosemite! OS X does not support Intel GMA950 graphics beyond Lion 10.7.5 and such support is limited to 32bit kernel mode. From ML, no drivers for obsolete Intel GMA graphics controllers and kernels+kexts are all 64bit only. So the most recent OS X version that will run with full hardware support on your D520 is: Lion 10.7.5 (in 32bit kernel mode) if you have a 64bit Core2Duo CPU Snow Leopard 10.6.8 (in 32bit kernel mode) otherwise Link to comment Share on other sites More sharing options...
john67 Posted September 3, 2015 Author Share Posted September 3, 2015 thanks herve Link to comment Share on other sites More sharing options...
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