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Apple Computing Products:
macOS - Operating System
Can't install Sierra on Imac, 2011 with OS x 10.8.5
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<blockquote data-quote="ferrarr" data-source="post: 1764805" data-attributes="member: 376394"><p>Before you install it, make sure you have a current backup. I would also create a USB bootable installer for Sierra, you would need an 8GB or larger USB/Flash/Thumb drive, for this. </p><p></p><p><a href="https://support.apple.com/en-us/HT201372" target="_blank">https://support.apple.com/en-us/HT201372</a> </p><p></p><p>Try running Disk Utility > First Aid, on the startup disk and the volume. See if this helps.</p></blockquote><p></p>
[QUOTE="ferrarr, post: 1764805, member: 376394"] Before you install it, make sure you have a current backup. I would also create a USB bootable installer for Sierra, you would need an 8GB or larger USB/Flash/Thumb drive, for this. [url]https://support.apple.com/en-us/HT201372[/url] Try running Disk Utility > First Aid, on the startup disk and the volume. See if this helps. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Can't install Sierra on Imac, 2011 with OS x 10.8.5
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