mick 123

Q: Cannot install Yosemite

I have checked all the things that I can think of  and I should be able to install Yosemite but it still says cannot install on my HD. I have an iMac 24" that was built in april of 2008. 4 GB of memory and running 10.6.8. I have repaired disc and permissions and updated all software. After a long download from app store I get the message that "OSX cannot be installed on "Macintosh HD" Also a popup "This disk cannot be used to start up your computer."  I have 149GB available.

Posted on May 30, 2015 4:29 PM

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Q: Cannot install Yosemite

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