Not Enough Storage For Mac Os Catalina

11-05-2021 admin

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Oct 09, 2019 Advice to you: Before installing any new operating system, backup your data so that if the new system has issues, you can reinstall the latest copy of your computer. I had to get rid of the OS Catalina 10.15.1 that I foolishly updated to and reinstall my old OS which was Mojave 10.14.6 using my back up plus by Seagate. If you have enough storage to duplicate everything through migration, you can just start up with Catalina, run Migration Assistant, and use the Mojave volume as the origin. Delete unneeded files in. See Lion/Mountain Lion/Mavericks' Storage Display. You can remove data from your Home folder except for the /Home/Library/ folder. Visit The XLab FAQs and read the FAQ on freeing up space on your hard drive. Also see Freeing space on your Mac OS X startup disk. See Where did my Disk Space go? See The Storage Display.

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by Sophie GreenUpdated on 2020-05-27 / Update for Mac OS

While macOS Catalina 10.15 is the latest update to the macOS line-up and users are eagerly waiting to install it, some issues are holding back some of the users. Some users get 'Not enough free space on your disk to install macOS Catalina' error message.

So how much free disk space do I have for macOS Catalina 10.15? How many GB is OS Catalina? What to do if you failed to install macOS Catalina due to low disk space? Don't worry! Get the Answers here.

Question 1. How Many GB is OS Catalina?

The accurate answer is 18.5 GB. The macOS Catalina installer macOS is about 6.5 GB and Catalina takes exactly 18.5 GB on your hard drive.

Question 2. How Much Space Do You Need for Catalina?

The macOS Catalina may take 18.5 GB space on your hard drive, but to operate it properly, you will need more than 20 Gb disk space to clean install Catalina.

If you're performing an upgrade install, you need to make sure the startup drive have about 6.5 GB of space to download the macOS Catalina installer and room for the files the installer will copy to the startup drive during installation. You'd better have 25 GB of free space available.

Question 3. Does Catalina Take up More Space?

Yes, it does take up more space. So, the iCloud based storage works best with Catalina as it provides 5 GB free storage space.

Question 4. How to Fix “Not enough free space on your disk to install macOS Catalina”?

I cannot install Catalina on my MacBook Pro. When I was trying to quit the installer, I didn't get Startup Disk, instead, I got stuck in a loop of automatically trying to install the new OS and Not free Space. I need to know how to solve it! Help me, please!!!”

If you encounter such a low space issue while installing macOS Catalina or macOS Catalina installation failed due to low disk space, then you need to free up space on your hard drive. You can put the Mac in Recovery Mode and execute steps to free up space. You can check out the steps below.

Reboot Mac and hold 'Control + R' while it boots.
The Mac will enter Recovery Mode.
Then, click 'Disk Utility' to repair or erase a disk.
In Disk Utility, select your Mac's hard drive from the sidebar.
Select First Aid to checks the file system for errors. Reboot your Mac when it finishes and you can go on to free up space on your Mac.
If you have a recent backup of your Mac or don't mind losing data. Click the Erase button and confirm you want to erase your Mac.After freeing the required space, you will be able to install macOS Catalina successfully. Click the Erase button and confirm you want to erase your Mac.

Bonus Tip: How to Recover Lost Data If Your Mac Stuck on Catalina Update and Won't Boot?

Mac fails to boot or start after the macOS update? Catalina get stuck for some reasons? Before fixing your stuck Mac, the first thing is trying to save your data Tenorshare UltData - Mac Data Recovery provide a tried-and-true data recovery service for you to recover data from unbootable Mac after update. It creates a bootable media that enables you to recover data from Mac hard drive/ failed internal Mac hard drive, APFS boot drive, and unmountable APFS boot volume, etc.

Download and install UltData on any computer.
Then, launch the program and select 'Recover Data from Crashed System'; click 'Start' to proceed.
Connect a USB drive to the Mac, and click 'Start' to create a bootable drive.
Connect the bootable drive to crashed Mac and boot it while holding the 'Option' button.
Once you are in the disk selection menu, release the button, and select 'UltData – Mac' to boot the disk. When you have entered the system successfully, click 'Export'.

This is the extremely simple recovery method implemented by Tenorshare UltData-Mac Data Recovery. It won't take more than a few minutes to get back your deleted files.

Finally

Well, macOS Catalina takes up more space on your hard drive than usual. And even after the installation, the OS expands. So, it is essential to free up the required space so that Catalina can operate properly. So, if you are having a disk space issue, use the steps we have detailed on the article and clear up space on the Mac. While it is difficult to recover data from a crashed computer but if you use Tenorshare UltData - Mac Data Recovery, you will be able to recover data even from a crashed Mac computer.

Apple recently released the latest version of its Mac operating system. macOS Catalina will introduce a number of new features to your Mac. This article explains how you can upgrade to macOS Catalina. This article also teaches you how to fix the most common macOS Catalina problems.

Before upgrading

1. Installing macOS Catalina may take many hours. Make sure you’re connected to a power source if you are using a notebook computer.

2. Not all models can support Catalina. Is your Mac compatible? You can install Catalina on the following Mac models.

The macOS Catalina compatible Macs:

MacBook (2015 or later)
MacBook Air (2012 or later)
MacBook Pro (2012 or later)
Mac mini (2012 or later)
iMac (2012 or later)
iMac Pro (all models)
Mac Pro (2013 or later)

You can check your version by going to the Apple menu > About This Mac. If your Mac is not compatible, the installer will let you know.

3. Back up your Mac. This is important, the upgrade may not go as planned. And many things can go wrong. You can use Time Machine.

4. Make sure that your Mac has at least 12.5GB free space. If you do not have ample room, make room. You can check your available storage by going to Apple menu > About This Mac, then click Storage. You can click the Manage button to open Storage Management. If you need more space, you may want to delete old and unused apps, empty Trash, compress large files, etc. This will also speed up your Mac.

5. You can install Catalina if your computer is currently running OS X Mavericks or later. You can learn your macOS name by going to Apple menu > About This Mac.

Upgrade

1. To upgrade from macOS Mojave:

On your Mac, go to Apple menu > System Preferences, then click Software Update.

To upgrade from other macOS versions (Mavericks or later):

Go to the Mac App Store and download Catalina.

2. Click Upgrade Now. Your Mac will start downloading the macOS Catalina software. Depending on your Internet connection, it may take several hours.

3. Once the download is done, the macOS Catalina installer will open. The installer says “to set up the installation of macOS Catalina, click Continue. Click Continue:

4. The next screen will ask you to agree to the software terms. Click Agree.

5. The next window will ask you where. e.g., Machintosh HD, you want to install this upgrade. Click Install. You may have to enter your Admin password.

6. Installation will start. When it is done, you will need to click Restart to restart your computer.

When your computer restart, just follow the onscreen instructions and you will be done.

Common Catalina Problems

The Request Timed Out

This error occurs because of poor Internet connections. Please make sure that you have a reliable Internet connection. And then retry again.

This problem may also occur because of the fact that a lot of people are trying to download macOS Catalina at the same time. Just wait and try again later.

Not Enough Free Space

The macOS Catalina installation may also fail if you do not have enough storage space available on your Mac. If you are having this problem, you may get an error message saying “macOS could not be installed on your computer. There is not enough free space on Macintosh HD to install. Quit the installer to restart your computer and try again.”

As stated above, you need at least 12.5 GB free space available on your Mac. This article explains how you can free up hard disk space on your Mac.

Installation Stuck: Setting Up Your Mac…

Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off and then turn your Mac back on. Your Mac should start up normally.

If that does not solve, please see this article.

Stuck on Screen Time set up

Press the power or Touch ID button for up to 10 seconds until your Mac powers off and then restart your Mac.

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