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You can easily find them in the Storage Management window. Storage optimization tools are built into macOS Sierra and later. In this case, how can you free up disk space?ĭon't worry. If unfortunately, your disk is full, you may get a message that your operation could not be completed. As a general of thumb, you need to keep at least 10GB of space to make sure your system is running properly. If you have a small amount of free space, you can use BuhoCleaner to quickly free up more disk space to avoid Mac performance downgrading. How to Clean up Startup Disk on Macīy following the above steps, you know how much free disk space you have left.

Click the Storage tab, and you will see that the storage bar is divided into sections.Click on the Apple icon in the upper left corner of your screen and choose About This Mac.To check the usage of your boot disk, follow the steps below: When the system says that your startup disk is almost full, you need to pay attention to it. If you are one of the few users who have 2 or more disks in Mac, you are free to choose which one to be your startup disk. Thus, the Macintosh HD is the default startup disk. You can check your startup disk by clicking the Apple menu > System Preferences > Startup Disk. The disk where your current macOS is installed is the startup disk.

How to Delete System Data on Mac What is Startup Disk on Mac?
