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Apple Computing Products:
macOS - Desktop Hardware
Is iMac hard disk dying?
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<blockquote data-quote="pigoo3" data-source="post: 1895460" data-attributes="member: 56379"><p>Thanks much for this info. Sounds like you may have created this bootable macOS install flash drive (Big Sur) in the past...but maybe had no need to actually test it at the time. I've created bootable macOS install drives in the past...and sometimes it isn't successful (the drive doesn't work correctly). Thus I need to do the process again using a slightly different procedure (there can be slightly different ways to do it)...until I get a bootable macOS installer that works.</p><p></p><p></p><p></p><p>I think there may be some confusion. This bootable macOS installer flash drive is not really an "external drive" I was suggesting be used to test the 2014 iMac (this flash drive is just a bootable installer). You need an external drive that you can install the macOS on to...boot the 2014 iMac from it...then operate the 2014 iMac as usual from this external drive. </p><p></p><p>This is how you test to see if the internal drive is bad/failing. This bootable macOS installer flash drive does not allow this (it's just an macOS installer drive)....not a day-day operating drive.</p><p></p><p>Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1895460, member: 56379"] Thanks much for this info. Sounds like you may have created this bootable macOS install flash drive (Big Sur) in the past...but maybe had no need to actually test it at the time. I've created bootable macOS install drives in the past...and sometimes it isn't successful (the drive doesn't work correctly). Thus I need to do the process again using a slightly different procedure (there can be slightly different ways to do it)...until I get a bootable macOS installer that works. I think there may be some confusion. This bootable macOS installer flash drive is not really an "external drive" I was suggesting be used to test the 2014 iMac (this flash drive is just a bootable installer). You need an external drive that you can install the macOS on to...boot the 2014 iMac from it...then operate the 2014 iMac as usual from this external drive. This is how you test to see if the internal drive is bad/failing. This bootable macOS installer flash drive does not allow this (it's just an macOS installer drive)....not a day-day operating drive. Nick [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Is iMac hard disk dying?
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