What causes failure to boot into recovery mode

MacPro mid 2012, 10.13.6

I need to re-install the OS due to minor corruption caused by a failing system drive. I've replaced the drive by cloning the original drive. It boots normally just fine but a few programs (Preview) won't run due to corrupt files. When I try to boot into recovery mode, I briefly get the circle with a line through it then it reverts to starting normally. What might be causing that failure and/or how can I get a 10.13.6 system installer?

Thanks!

Bob Smith

Mac Pro

Posted on Apr 29, 2022 9:36 AM

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3 replies

BDAqua

Level 10

250,253 points

Apr 29, 2022 11:07 AM in response to Bob Smith1

How to create a bootable installer for macOS - Apple Support

Bob Smith1 Author

Level 1

4 points

Apr 29, 2022 12:43 PM in response to BDAqua

I must have looked at the App Store page for High Sierra several times but never saw a download link. I have used it in years past for system downloads. Your post made me look one more time! I saw the link in the upper left this time. Problem solved. Thanks!

Bob Smith

BDAqua

Level 10

250,253 points

Apr 29, 2022 1:00 PM in response to Bob Smith1

Good work Bob, take care! :)

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What causes failure to boot into recovery mode