We just purchased a new mac air book for our office. All of the other computers in our office use the OS X 10.7.3 operating system. The new computer uses OS X 10.8.2. Are we able to load the old operating system onto the new computer so that all of our computers match and will not have communication issues in the future?
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In the past no Mac would even boot from a system lessor than what it shipped with. But the difference is the two systems is very negligible.
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As long as you don't have a Retina display model. A retina displayed model may look a like funky as the resources it needs is in the newer OS, it still should work.
create 2 partitions on the same HDD (hard drive)
amy and kim are an example ! (the first partition (amy's part ) is used with the osx 10.8)
the second partition (virgin partition) where you have to install the old operating system 10.7 !
how to do that ?
go to this menu
select start( demarrage)
and select the optical drive (with osx10.7 installation)
and select reboot !
when your device reboot select the virgin partition !!! for install the osx 10.7 !!
problem solved
enjoy ;)
ps: part = partition
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