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Hello guys.



I have already installed new Mavericks 10.9 and I have some problems with it.


1. Wi-Fi problem

              I had a problem with Wi-Fi. Driver can't be found.

              Solution : I had install a driver for my Atheros 9285 card (IO80211Family.kext)


2. Battery problem

              Mac can't find my notebook battery. Look at the picture at link below.



3. Video problem

            When I want to watch any video (fx. on YouTube), the picture not look so smooth. Look at the video below. 




Any solution or some help?  :unsure:

Sry for bad english (I am from Slovakia)


My notebook specification :



Intel Celeron 2.0GHz dualcore

Intel GMA HD4500M


Atheros AR9285


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