Hi
I originally bought a mid 2011 21.5 inch imac around May 2011 and it shipped with Snow Leopard, it came with a iMac Mac OS X Install DVD 10.6.7 version.
I purchaed another Imac a few months later and it shipped with Lion, I tried to reinstall Snow Leopard using a Disk Image from my retail version but it did not accept, I tried with the DVD I got with the ealier iMac and hey presto it worked.
I have since upgraded to a few of 27 inch iMacs, all mid 2011 and most recentty the top entry mid 2011 3.4 i7 iMac. All of these have shipped with Lion but I always use the DVD I got from from my first mid 2011 iMac to donwgrade to snow leopard.
My question is this really that bad? I have heard that the chips and stuff may differ and not work as well with snow leopard or Lion, but then surley upgrading a osx would be the same?
