What Do I Do When My Mac Disk is Full

When Mac says “Your startup disk is almost full.” Don’t panic. This problem is caused by file system errors or if there are too many junk files on the startup disk. To resolve this issue, first you need to find out why your startup disk is full on Mac OS X. Here are the steps to follow:

  • Click Apple icon and select About This Mac option
  • Press the third tab marked Storage
  • Review the storage distribution to see what is taking up space on your startup disk.

Next what to do when Mac disk is full?

There are multiple ways to get more space on your Mac and avoid startup disk is almost full warning on your Mac OS X.

Important: It is recommended that you backup your HDD with Time Machine before you continue with any of the following steps in order to avoid data loss.

Method 1: Empty the Trash to permanently delete the file

In Mac, almost every deleted document or file heads to the Trash. Just moving file to the Trash doesn’t actually remove it, you need to empty the Trash. Follow these steps to permanently delete the files:

  • Right click on the Trash icon
  • Select Empty Trash option
  • Close the window

Method 2: Use Finder to track down large files

Finder search is easy to use and quite helpful for fixing the startup disk almost full warning, here’s what you need to do:

  • Launch Finder Search and go to Preference panel
  • Click the sidebar tab and ensure All My Files option is checked
  • Go to Finder window and click on All My Files
  • Organize files according to their size by clicking Size icon
  • Delete all the large files that you have already backed up or no longer needed

Still out of disk space? Here are some other tips you can try for freeing up storage space on Mac OS X:

  • Uninstall redundant application from your Mac hard drive
  • Check out Downloads folder and delete unnecessary downloaded files
  • Clear cache files and other unwanted data from your Mac machine

After following all these steps, restart the Mac and you will be able to get back to work without any alerts popping up. Sometimes, there are chances that you forget to take backup and lose important files. In such situations, don’t worry because using Mac disk recovery utility from Remo, you can easily recover all lost data on all versions of Mac OS X including macOS Sierra.