Usually, movies, pictures, or backups take up the most space. Reduce clutter which means that you will have to review your large files and remove unneeded ones.Īlso, in this window, you can see what types of files and items take up large space on your Mac: applications, iOS backups, music, photos, Mail, or documents.Turn on the option to empty Trash automatically.

Enable the Optimize Storage option which means that the system will automatically remove movies and TV shows that you have already watched from your Mac.

If you click it, the system will show you a window with recommendations on what you can do to optimize your storage: On the storage usage panel, you can see the Manage button. The larger the bar, the larger the space taken up by those types of files: Photos, Apps, Movies, Audios, Backups, Documents, and Other. There are seven general categories of data stored on your Startup Disk.

Review the storage usage to see what files are eating up space.

Click About This Mac menu at the Apple menu.

How to check startup disk on your Macįollow the next steps to see what kind of files eat your startup disk space. For the system to work properly, you will need to free up from 10 to 30 Gigabytes by removing unneeded files.

You can either remove some files manually or use MacCleaner Pro to perform this task quickly and easily.Īlso, you can upload some large files to the cloud or offload them to a backup disk, however, this approach requires you to have additional storage. In general, you need to clean up your startup disk to recover some space. Watch the video to see how easy it is to fix full startup disk error with MacCleaner Pro. What to do if the startup disk is full on Mac It can also prevent applications from being able to launch or work properly, including suddenly crashing or simply ceasing to work. Lack of free space on the startup disk leads to both unstable and slow performance of the macOS system. How does “Startup Disk Full” affect your Mac? Since macOS Big Sur, the warning message about running low on disk space looks like that: Here is the message the users get when the startup disk is full: To resolve this issue, you need to free up some disk space. This is often due to having too many files occupying your Mac’s hard drive, bringing free space to a dangerously low level. The warning message indicating that your startup disk is almost full appears when there is no longer enough free space on your disk. What does “Your startup disk is almost full” mean? You can change that name but it would still be the startup disk of your Mac. By default, the Startup Disk is the disk named “Macintosh HD” and the user’s applications, files, and any data are also stored on this disk. Startup disk is a Mac hard drive’s partition where macOS is installed.

Local disk full but no files