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Screen tearing on HP 8570p

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I'm experiencing screen tearing issues and kernel panics while using Niresh's Mavericks.


HP Elitebook 8570p

AMD 7650m

i7 3630QM 2.4Ghz

8Go Ram

500Go HDD + 250Go SSD

Which bootflags should I use and how could I set em to be used for next boots?

I tried HP Probook Installer, but I'm experiencing unbearable screen horizontal movements and tearing, plus some kernel panics (and a music playing alone before that).

Could you help me with that?

Oh, and by the way, do  you know how could I install xCode for that Mavericks? App Store's one is for 10.10+ (El Capitan)... Since I'm not Mac familiar, I really need some help.


Thank you !

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