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Apple Computing Products:
macOS - Desktop Hardware
Reinstall Snow Leopard Unsuccessful My Computer DOA
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<blockquote data-quote="cwa107" data-source="post: 1482155" data-attributes="member: 24098"><p>OK, just a few things. </p><p></p><p>First and foremost, OS X very rarely needs to be installed clean. There's not much a normal user can modify outside of the home folder, so at worst, if you want a clean slate, you can just create a new account and delete the old one.</p><p></p><p>Given the circumstances, it sounds very likely that your hard disk is in a failing state. Hard disk failures can manifest themselves in a variety of different ways. It can just go out and stop working, but more often, a portion of the disk becomes damaged - so the installer won't know that it's writing to a partially bad drive - and this is likely the cause of the extremely long install time. Typically an OS X install should take no longer than 30-45 minutes - that was your first clue that there's a hardware problem of some kind.</p><p></p><p>At this point, I would recommend running the Apple Hardware Test:</p><p></p><p><a href="http://support.apple.com/kb/HT1509" target="_blank">Intel-based Macs: Using Apple Hardware Test</a></p><p></p><p>This will help you to isolate the problem. If it is indeed the hard disk, your next step will be to replace it - then it's time to reinstall OS X and then finally, work to recover your lost data (if possible).</p></blockquote><p></p>
[QUOTE="cwa107, post: 1482155, member: 24098"] OK, just a few things. First and foremost, OS X very rarely needs to be installed clean. There's not much a normal user can modify outside of the home folder, so at worst, if you want a clean slate, you can just create a new account and delete the old one. Given the circumstances, it sounds very likely that your hard disk is in a failing state. Hard disk failures can manifest themselves in a variety of different ways. It can just go out and stop working, but more often, a portion of the disk becomes damaged - so the installer won't know that it's writing to a partially bad drive - and this is likely the cause of the extremely long install time. Typically an OS X install should take no longer than 30-45 minutes - that was your first clue that there's a hardware problem of some kind. At this point, I would recommend running the Apple Hardware Test: [url=http://support.apple.com/kb/HT1509]Intel-based Macs: Using Apple Hardware Test[/url] This will help you to isolate the problem. If it is indeed the hard disk, your next step will be to replace it - then it's time to reinstall OS X and then finally, work to recover your lost data (if possible). [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Reinstall Snow Leopard Unsuccessful My Computer DOA
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