This disk contains the Operating System for your Mac, so that it can start successfully. The name is actually pretty self-explanatory.

Look no further, and we’ll start with the basic question first – what is a startup disk? If you want the solutions right away, you can also jump ahead and scroll down to the How do I Clean up Start up Disk on Mac? section. What caused this to happen? How can you solve it? What do you need to do to clear up disk space and system storage on Mac? As alarming as this alert may seem, we have some pretty solid solutions for it. And one day, you will see an alert popup window that says, “Your startup disk is almost full.” However, when you have used this laptop for a few years, the excitement is now completely gone as it performs slower and slower. Then expand them when you need to use them again.ĭid you empty the Trash? When you move a file to the Trash, its storage space doesn't become available until you empty the Trash.We all know that feeling… receiving a brand-new MacBook… the smell of the packaging reminds us how smooth this computer will work. If you don't want to delete certain files, you might be able to save space by compressing them.

Check the Users folder on Macintosh HD for any shared files that you no longer need to share.

If your Mac is set up for multiple users, delete users that no longer need access to your Mac. Or ask them to follow the steps in this article after logging in to their user account. Also check the Users folder on Macintosh HD for any undeleted data belonging to deleted users.

If you use your Mac to back up your iPhone or iPad, you can delete old backups.Also choose Mailbox > Erase Deleted Items. If you use the Mail app for your email, choose Mailbox > Erase Junk Mail from the menu bar in Mail.Delete files in your Downloads folder. Open this folder from the Dock, or by choosing Go > Downloads from the menu bar in the Finder.Delete music, movies, podcasts, or other media, especially if it's media that you can stream or download again as needed.You can also delete files that you no longer need. If you have another storage device, such as an external drive connected to your Mac, you can move files to that device. Media files such as photos and videos can use a lot of storage space, so you can take steps such as these:

How to clean macbook storage