mercredi 14 janvier 2015

Install OS X 10.7 to 10-10 on MacBook Air MD232


I have MacBook Air MD232. As we need to test our software on all OS X from 10.7 to 10.10, we need to install them all. Is it possible to install them on my MBA? When I buy, this MBA has been installed with Yosemite. I tried to install any other OSs by using "restore" feature from Disk Utility. However, restoring process were successful and pressing alt/option during restart, I get only gray screen with a stop sign and nothing happen afterwards. Would you please tell me how?





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