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Apple Computing Products:
macOS - Operating System
Disk Utility finds problem with partition map - but only in safe mode
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<blockquote data-quote="chscag" data-source="post: 1741981" data-attributes="member: 46727"><p>Welcome to our forums.</p><p></p><p>I think one thing needs to be clarified... you can not run Disk Utility with any kind of confidence whether in standard mode or safe mode because in both instances you're attempting to check a partition|disk that is in use. The only way to run Disk Utility successfully is when the partition or disk is not mounted. That's why Apple has provided Recovery Mode since OS X Lion.</p><p></p><p></p><p></p><p>Shutting down your Mac forcibly can cause problems since files may be written to when the shut down occurs. That can cause corruption and one of the things that Disk Utility will attempt to repair - but only when booted to Recovery.</p><p></p><p></p><p></p><p>The bottom line here is that you continue to make backups to protect your data. Disk Utility does not check the electronic or mechanical workings of a HHD or SSD, only the file and folder system. Hard drives and SSDs can fail without notice. Backing up your data faithfully is the only way to protect yourself from a loss of valuable photos, music, documents, and programs.</p></blockquote><p></p>
[QUOTE="chscag, post: 1741981, member: 46727"] Welcome to our forums. I think one thing needs to be clarified... you can not run Disk Utility with any kind of confidence whether in standard mode or safe mode because in both instances you're attempting to check a partition|disk that is in use. The only way to run Disk Utility successfully is when the partition or disk is not mounted. That's why Apple has provided Recovery Mode since OS X Lion. Shutting down your Mac forcibly can cause problems since files may be written to when the shut down occurs. That can cause corruption and one of the things that Disk Utility will attempt to repair - but only when booted to Recovery. The bottom line here is that you continue to make backups to protect your data. Disk Utility does not check the electronic or mechanical workings of a HHD or SSD, only the file and folder system. Hard drives and SSDs can fail without notice. Backing up your data faithfully is the only way to protect yourself from a loss of valuable photos, music, documents, and programs. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Disk Utility finds problem with partition map - but only in safe mode
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