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Ben_Graham Level 1 Level 1 (0 points)

Have re-downloaded Mountain Lion at least 4 or 5 times, I have erased, repartitioned, and replaced hard drives and it seems no matter what I do, including removing one 4 GB sim from the laptop. ( Macbook Pro mid 2009 ).  It fails.  I have created and recreated a boot drive on a 8 GB USB and a 32 GB SDHC card. I when I had Lion on the laptop I had also made sure the apple ID account is the same for the computer in User/Groups as it was for the download of Mountain Lion.   I have used Apple Macintosh since my first Mac SE in 1997.  With all the posts on this issue on the web and the last 4 days I have spent working countless hours on this. It seems that Apple is going to be loosing clientel and market share.  I would like to simply install an upgrade to the operating system.  If there is anyone that can help with something I have not done that will allow me to install Mountain Lion on this Mac I would very much appreciate it.


MacBook Pro, Mac OS X (10.7.5)
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