However, in some cases, your Mac may find disk or file system problems and be unable to repair them when you perform the above steps. Ideally, that should be the end of it - especially if you used the safe mode trick above. RELATED: 8 Mac System Features You Can Access in Recovery Mode When it’s done logging in and you see a desktop, the disk check is done. This will make the login process take longer than normal, so be patient. Sign in with your password and your Mac will then check your disks. To do this, restart your Mac and hold “Shift” while it’s booting. Safe Mode, sometimes called “Safe Boot,” contains an automatic startup check and repair that can fix these problems. One simple way to fix such errors is to boot your Mac into Safe Mode. RELATED: Troubleshoot Your Mac With These Hidden Startup Options
An exit code of “0” is a good thing, and means no errors were found.
You’ll see messages like “Storage system check exit code is 0” and “File system check exit code is 0” here. You can click the “Show Details” drop-down message to view detailed information about any errors it encounters. If it finds any errors, it will attempt to automatically fix them for you. It depends which you select in the sidebar.Ĭlick “Run” and your Mac will check the disk you selected for errors. You can either run the First Aid function on an entire disk, or an individual partition on that disk.