Please help?

jdancu90

macrumors newbie
Original poster
Sep 28, 2014
4
0
I had my macbook pro with OS Mountain Lion as for being a developer just to have iOS 8 early lol and im learning how to program last night my computer crashed and I had to reinstall operating system when I put my old CD it says

PS: I installed the new beta Yosemite I had this problem before but forgot how to fix it :( with same OS 10.10
 

jdancu90

macrumors newbie
Original poster
Sep 28, 2014
4
0
Nope my memory is good tested it with drive genius i also bought new hard drive it wont let me like downgrade i fixed it before but forgot :(
 
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