If you used Disk Utility from macOS Recovery, you can now restart your Mac: choose Apple menu  > Restart. The order of repair in this example was Macintosh HD - Data, then Macintosh HD, then Container disk4, then APPLE SSD. Keep moving up the list, running First Aid for each volume on the disk, then each container on the disk, then finally the disk itself. How to fix Startup Disk Full on Mac OS 620,304 views A newer software version is available: CleanMyMac X.

First Aid will run, checking the health of your Mac's drive. OS X, with a vague note to delete some files in order to. It should be the drive at the top of the sidebar if there are multiple drives. Many Mac users will inevitably see the Your startup disk almost full error message show up in. Click on your Mac's startup drive in the Disk Utility sidebar. If you're asked for a password to unlock the disk, enter your administrator password.Īfter Disk Utility is done checking the volume, select the next item above it in the sidebar, then run First Aid again. Click Disk Utility when in macOS Recovery.If the button is dimmed and you can't click it, skip this step for the disk, container, or volume you selected.From this window you can start up from a different disk, start up in safe mode, use macOS Recovery, and more. Release the power button when you see the startup options screen, which shows your startup disks and a gear icon labeled Options. If there is no Run button, click the Repair Disk button instead. Turn on your Mac and continue to press and hold the power button as your Mac starts up.You can check your startup disk by clicking the Apple menu > System Preferences > Startup. In this example, the last volume on the disk is Macintosh HD - Data.Ĭlick Run to begin checking the selected volume for errors. The disk where your current macOS is installed is the startup disk.

For each disk that you're repairing, start by selecting the last volume on that disk, then click the First Aid button or tab.

How to fix startup disk on mac