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#File system check exit code is 8 mac how to
#File system check exit code is 8 mac mac os x

Start your Mac in Recovery Mode, or Internet Recovery if you're are running 10.6 or later.

#File system check exit code is 8 mac how to

Apple strongly recommends using Disk Utility first, so here is how to address disk faults using this powerful utility:

There are two ways to fix such serious file system issues. How to Fix File System Issues with Disk Utility If the Mac does reach the login screen but fails to load the desktop after the user has logged in.If the Mac isn't able to reach the login screen after booting.If the Mac partially starts up and then displays a message prompting you to run fsck, then this usually displays a command-line prompt, indicated by a number sign (#).So if you notice the following symptoms on startup then the Mac has encountered issues with the file system and it needs repairing, with either Disk Utility or fsck. The Mac will signal the use of fsck if it has run into issues and needs your attention to fix them. Cases When You Need to Run Disk Utility or Fsck If Disk Utility fails to repair the volume, that’s when you’ll need to run fsck.

#File system check exit code is 8 mac mac os x

If the utility finds any irregularities then you'll need to start the Mac up from another volume – such as a Mac OS X install DVD – enter macOS Recovery, or start up from Internet Recovery and run Disk Utility to repair the disk. Live Verification works only on MacOS X Extended (Journaled)-formatted (HFS+J) volumes, so if you are trying to verify other volumes then it will only display an error message.

Thanks to its “Live Verification” feature, Disk Utility can be used to check the Mac's startup disk without starting the computer from another volume. Using Disk Utility to Repair a Startup Disk To do that macOS has two powerful utilities: the more user-friendly Disk Utility (which has a nice GUI) and fsck (short for File System Consistency Check), a command-line utility which is only recommended for advanced users comfortable with controlling a Mac using text commands. Especially now that Apple has migrated its user base over to its new Apple File System (APFS) after the release of High Sierra, you might want to be assured that everything is fine with your data. On top of that, macOS has powerful built-in utilities to address issues with the file system.