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Apple Computing Products:
macOS - Operating System
A yellow triangle with exclamation mark shows on macintosh hard drive .
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<blockquote data-quote="chas_m" data-source="post: 1582089"><p>Chances are very high that you are attempting to install OS X from gray discs intended for a different model of machine, or pirated homeburns or something like that.</p><p></p><p>It's also possible that you're trying to install an OS that came out BEFORE the machine you're working with there was made. That's also not going to work out (some details about your machine would have been super helpful here, obviously)</p></blockquote><p></p>
[QUOTE="chas_m, post: 1582089"] Chances are very high that you are attempting to install OS X from gray discs intended for a different model of machine, or pirated homeburns or something like that. It's also possible that you're trying to install an OS that came out BEFORE the machine you're working with there was made. That's also not going to work out (some details about your machine would have been super helpful here, obviously) [/QUOTE]
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Apple Computing Products:
macOS - Operating System
A yellow triangle with exclamation mark shows on macintosh hard drive .
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