upgrade from leopard to mountain lion mac

#Upgrade from leopard to mountain lion mac install#

to mountain lion with your 'old kext driver of audio, video, lan'įrom what i know some driver actually have to fix/patch/update to be compatible with the new Mountain Lion. #1 you are using hackintosh and trying to buy 'legit' mountain lion from apple store. * By the way, I know its my fault for not updating to Lion earlier in the year and if I had, then I wouldn't be getting these problems but the reason I didn't was because of all the users complaining about how unstable it was *

#Upgrade from leopard to mountain lion mac install#

I have a new SSD where I can do a fresh clean install of Mountain Lion via the USB maker if/when I can buy it from the app store. I really do not know what to do next, seems like no matter what I do, the app store will not allow me to purchase ML. The only thing I can think of which probably won't make much sense is to flash my bios to the latest stable release from FB to FD. Reduced RAM from 12GB to 8Gb and Only 4GB - did not workĭisconnected all other HDD and left only the SSD with SL - did not workĮnabled 64bit mode by editing the - Now in 64bit mode but still not allowing me to upgrade to MLĬhanged system from Mac Pro to iMac back to Mac Pro5, 1 in ist - made not difference

I have not updated any graphics drivers/kexts for my graphics card as everything worked fine after the update to 10.6.8. I also have some other HDD's which are from my old windows systems: OS X Mountain Lion is not compatible with this computer.' I attempted to purchase ML from the app store and got a message informing me ' We could not complete your purchase. Everything went well but the sound and network card did not work but a simple install of those drivers from Multi Beast and all was well.or so I though. I have been running 10.6.6 from the beginning and have updated to 10.6.8 so that I can upgrade to Mountain Lion 10.8.2 form the app store. Building a CustoMac Hackintosh: Buyer's GuideĪpologies if this is in the wrong section, this is my first post.īeen reading posts on this forum for a while now and I have build a Hackintosh a year and a half ago and has worked perfectly so far.