yosimite

Hi guys! I install Yosimite this week and I don't can use the USB (only one port works)... my Wifi,mousepad and sound doesn't work too... Can someone help me? I don't know the right setting for the mutbest and I don't know any other way Tanks!! My laptop: - intel core i5 - intel HD...

alright i was able to load osx 10.10.5 onto my hackingtosh and got the nvidia drivers and whatnot working properly with the ethernet drivers and getting my gtx 960 to work properly, but i did a update through the mac store and that screwed everything up my web driver for my nvidia card says it...

Hey out there somebody that gives good advise..... I am a serious marketer..... I can't afford to make any stupid mistakes. i was hoping for some good advise on what system I need to go after and if I can install on my older drive. My system is not state of the art however it is more than...