The Downloads folder may be accessed from the Dock or the Finder’s menu bar by selecting Go > Downloads. Delete any files that are no longer required from the Downloads folder.Delete any material you don’t need, such as music, movies, or podcasts, as they can take up a lot of storage space.Other Things to do to Free up Storage Space Refer to the amount of “available” space listed at the top of this window or in About This Mac to track your progress as you make adjustments.Choose from tools like Store in iCloud, Optimize Storage, & Reduce Clutter to start optimizing storage space.To launch the storage management window, click the Manage button:.When it’s finished calculating, it displays segments that represent various file types. At first, the storage bar predicts how much space is consumed and how much space is available. Choose About This Mac from the Apple menu in the corner of your screen.Use the built-in utilities on your Mac to optimize storage space or free up space in other ways if you need additional storage space. Once Disk Utility has loaded, choose the disk you wish to repair - the default name for your system partition is generally 'Macintosh HD', and choose 'Repair Disk'.Therefore, it is important to delete unwanted data from time to time from your Mac.

Select Disk Utility from the macOS Utilities menu.Restart your Mac, and press Command + R, while it's restarting.If trying to repair the internal partition where your Operating System is installed, you'll need to boot into Recovery mode, so your Mac can check and repair files that are 'in use'.If using an external disk, then choose 'Repair Disk', and allow the process to complete.It should give you some diagnosis to confirm whether your drive is viable, or needs to be repaired. Once you've loaded Disk Utility, select 'Verify Disk' and allow your Mac to check the disk. You can locate Disk Utility within your Applications -> Utilities folder, or by searching 'Disk Utility' in Spotlight. This requires the computer to be booted in Recovery mode, and as repairing the internal partition can have serious repercussions, we advise performing a back-up of any crucial data before proceeding.

It can also be used on your internal partition if you are having trouble with OS X. The most obvious example would be when there is drive corruption caused by improperly removing external USB storage. Repairing Disks using OS X's Disk Utility can be a useful way to improve performance, and in some scenarios, recover lost data. As much a we all try to protect our computers, sometimes issues do arise with the drives where you store your data.

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