Can't update OS. After update system fails, every time...
iMac 21.5 late 2013
I bought this computer and all was fine. It came with an OS X Yosemite, free upgrade. But, if I run the upgrade I begin having problems and eventually the system fails. I tried to delete the 'free upgrade', but couldn't. I talked for many hours with MAC support and tried resetting my computer several times and deleting all data as well. But, after all that I still can't upgrade. It works fine as long as I never upgrade... But, this is an old version and I consider it unsafe, so just use it for gaming and never log into anything on it. I need it for other things though... Does anyone know what I can do? It has 8GB, and uses Intel Iris Pro 1536MB.
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