#Disk health check mac code#

The solution is to boot into a special recovery mode. It canвЂ™t make changes to that system drive while itвЂ™s running from it. This is because itвЂ™s running in вЂњlive modeвЂќ - examining the disk while the operating system is running from it. 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 itвЂ™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 вЂњShiftвЂќ while itвЂ™s booting. Safe Mode, sometimes called вЂњSafe Boot,вЂќ contains an automatic startup check and repair that can fix these problems. One simple way to fix such errors isВ to boot your Mac into Safe Mode. RELATED: Troubleshoot Your Mac With These Hidden Startup Options

#Disk health check mac code#

An exit code of вЂњ0вЂќ is a good thing, and means no errors were found. YouвЂ™ll see messages like вЂњStorage system check exit code is 0вЂќ and вЂњFile system check exit code is 0вЂќ here. You can click the вЂњShow DetailsвЂќ 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. Click вЂњRunвЂќ and your Mac will check the disk you selected for errors.