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How To Fix ‘Your Startup Disk Almost Full’ On Mac OS?

It generally happens once in a while for Mac users, when a lot of cache get accumulated on your disk, and a warning message popup saying, ‘startup disk full’. This appears when there is no longer any free space on your disk. But you might wonder how could a full startup disk affect you?

For this, you should always be clear about what is a startup disk?

Startup disk is the hard drive that contains your operating system and is the most important out of all the available disks. So, whenever the message pops up saying your disk is almost full, it warns you of the space you’re soon running out of.

Running out of space basically relates to the space on your primary disk and this is indeed a bad sign if you are having lesser storage space on your Mac’s drive.

If the same thing happens with you as well, do not worry as we have the best methods to fix the issue ‘startup disk full’.

Usually, most of the users prefer choosing Mac over Windows for its swift operations, but when Mac gets a message your disk is almost full, it is something that will degrade the performance of Mac.

How to Check Disk Space On Mac?

To find out a solution, it is vital to reach the root of the problem. You must find out first what is taking up space on your startup disk drive and for this, you need to follow these steps:

This will show up the consumed and available disk space and also let you know about what’s eating up the used space. If you are running out of space, it’s time to delete some files or install a new hard drive.

So, to keep up the performance of your Mac sustainable, here are some tips you should follow to clean startup disk on Mac. we have divided the methods in two parts as below:

  1. Use manual methods to clear startup disk on mac
  2. Use an effective cleaning tool- Smart Mac Care

Part I: Methods To Clear Startup Disk On Mac

1. Clear Cache or System Junk

 Usually we think that cache files are useless, but it is far from being true. Cache files plays a vital role and helps a system to run and load programs quickly. But once that is done, your system generates some junk that will be there in your system until you delete them. The junk is created by the apps and system processes. Such temporary junk becomes permanent problem for hard drive and it once piled up can make your startup disk full.

Follow these steps to remove cache files and clear startup disk on your Mac:

2. Empty Trash

 When it comes to making your system spacious, it is the most vital thing that should be considered. But usually, most of us miss this and look for other helpful and complex ways to free up space on disk. However, the simplest thing helps achieving the biggest trick. The system trash is the place for all those files you no longer need. But the files in trash keeps taking up space on Mac’s drive. So you are required to clean trash by a click on ‘Empty’ tab to get rid of all those piles of useless data. Not only from the Trash, you should always look for cleaning unnecessary files from your apps as well. 

3. Delete Browser Cache

A cache is created everywhere, even in your internet browser every time you load a web new page, but it can further create a bigger problem for you. So, if you are thinking of the ways to clean startup disk on Mac, try removing browser junk and for this, follow the steps below:

4. Remove iTunes Backup

iTunes is quite a familiar term for a Mac user, and for your notice, iTunes loves creating backups every time it is updated. This means that your system ends up having multiple backups in spite of one and therefore takes up space on the disk leading to the message ‘startup disk full’. Thus, you’re required to clean iTunes backups and for this follow the steps below:

5. Uninstall Unused Apps

Have you ever thought of cleaning your Mac and removing apps that are no more of your use? If not, then the issue of ‘startup disk full’ might be due to the same reason. Try removing all unnecessary and unused apps you have on your system. These apps are for sure wasting space and resourcess like RAM if running in the background. This will spare new space for more storage on your Mac and enhance speed.

Part II: Use Smart Mac Care

Well, after much digging with the manual ways, if you are still not able to find a way out to fix ‘startup disk full’ error, it’s the time to use an effective tool to help you clear startup disk space on Mac.

For this, we recommend you use, Smart Mac Care. It not only saves your Mac from deadly infections but also scans out junk and unused files from your system that will probably lead to Clear startup disk space on your Mac.

smart mac care

After all, Mac is a machine and machines can anytime get clogged up with junk, unused and leftover files we do not even remember having on our systems. As a result, these files take over your valuable space and leads to warnings saying ‘your disk is almost full’.

Smart Mac Care efficiently detects cache files, log files, trash, etc. and lets you delete them, saving you more space for any future storage. Get it from here.


Wrapping Up:

Hence, we have listed the most obvious and notable ways to help you get rid of, ‘your disk is almost full’ warning message on your Mac. Trying these hacks will surely get you some more space on your startup disk making it a bit lighter. Also, give a try to Smart Mac Care an effective cleaning tool for Mac to get your job done quickly and securely.