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Apple Computing Products:
macOS - Operating System
Disk Utilty first aid .. failed on external HDD MASTER BOOT RECORD query
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<blockquote data-quote="bernard smith" data-source="post: 1851633" data-attributes="member: 401391"><p>Thanks for your reply.. The drive was originally used on Windows PC then we changed to Mac. </p><p></p><p>So I think that I had the disk in ExFat so that I could copy the files to a Mac OS Extended ( Journaled ) disk which had a GUID partition map.</p><p></p><p>The "problem" disk was then changed from ExFat to Mac OS Extended ( Journaled ) but it looks like I didn't change the partition map to GUID at the time.</p><p></p><p></p><p>As per your advice, I will sit a while and see what others say. I have two other external HDDs which are Mac OS Extended.. Journaled with GUID partition map and these have all the files in place and are copies of each other so no need to worry too much.</p><p></p><p></p><p>Cheers </p><p></p><p>Bernard</p></blockquote><p></p>
[QUOTE="bernard smith, post: 1851633, member: 401391"] Thanks for your reply.. The drive was originally used on Windows PC then we changed to Mac. So I think that I had the disk in ExFat so that I could copy the files to a Mac OS Extended ( Journaled ) disk which had a GUID partition map. The "problem" disk was then changed from ExFat to Mac OS Extended ( Journaled ) but it looks like I didn't change the partition map to GUID at the time. As per your advice, I will sit a while and see what others say. I have two other external HDDs which are Mac OS Extended.. Journaled with GUID partition map and these have all the files in place and are copies of each other so no need to worry too much. Cheers Bernard [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Disk Utilty first aid .. failed on external HDD MASTER BOOT RECORD query
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