10.0 Cheetah & 10.1 Puma. The first two releases of Mac OS X shared the same wallpaper. MacOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. And get even more transparency around your privacy. Coming this fall.
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You can change the login screen wallpaper image that appears when you start your Mac to any image you want to use. We previously wrote about how you can change the login screen image in macOS Mojave. It seems that it is a little harder to change this background image for the login screen wallpaper now but it is still possible. You may want to do this so that you do not have to stare at the generic Catalina image every time you type in your password.
macOS Catalina custom login screen
Here is how:
Please follow each step carefully:
1. Find or create the image you want to use. You can find it online. You can create one yourself. You can modify using the Preview app or using any other photo editing apps. This will be your login screen. I created a basic solid black image. See below. Save this image anywhere you want on your computer (e.g, Desktop etc). Just make sure that you can easily find it as we will need this later. There are different types of image formats. Your image can be a JPG or PNG (the most common types).
2. Rename this file as Catalina.heic (HEIC files)
You can rename it by selecting it and hitting the ‘return’ key and entering this new name.
3. Now we will disable System Integrity Protection. Do not worry we will re-enable it after we are done. And this can be done via Recovery Mode. Here is how:
- Turn off your computer
- Turn on your Mac and immediately press and enter the Command (⌘)-R keys. Keep these keys when you see a login or the recovery mode screen.
- You will be asked to enter your password
- After starting up from macOS Recovery, click Utilities (from the top menu)
- In terminal enter the following command and press enter (this will turn off System Integrity Protection)
- Restart your Mac by going to the Apple menu and Restart.
4. When your computer restarted, open Terminal (Applications / Utilities or you can use Spotlight) and enter the following command and hit enter:
Make sure that you replace ‘disk1s5’ with the identifier for your system. If asked, enter your passcode. if you do not know this, open Disk Utility (Applications / Utilities or you can use Spotlight) and select your disk (sidebar) and then click the Info icon.
5. Again, in Terminal enter the following command and press enter:
6. Now go to Finder, click Go and then Go to Folder and enter /System/Library and click Go.
7. Click Desktop Pictures folder
8. There you will see a lot of images. Find Catalina.heic and rename this file like Catalina-original.heic, (just in case if you want to change it back).
9. Now copy and paste the heic image that we created (step # 2) in here (System > Library >Desktop Pictures)
10. Again open the Terminal app and enter the following code and hit enter:
Wait until the Terminal app completes the process.
![Background Image For Mac Os X Background Image For Mac Os X](https://res.allmacwallpaper.com/get/macbook-air-wallpapers/Apple-Mac-Os-X-Blue/5248-720.jpg)
11. Restart your Mac, and now you will see that your login wallpaper is changed.
Important: Now, let’s re-enable System Integrity Protection as this will help protect your Mac from malicious software. Here is how:
Background Image For Mac Os X 10.13
- Restart your Mac in Recovery Mode (see the step above #3)
- Open the terminal and enter the following command and hit enter:
Restart your computer. Now System Integration Protection is enabled. You can check this by going to the System Information app (Applications / Utilities). Click Software and check to see if you see this “System Integrity Protection: Enabled”
Changing the background image
More When you open the application you can see the Main Window, tab Login image. The Main Window shows on the left side the current login background image and on the right side the new image.
Drag and drop a JPG image into the New Login image frame.
After dropping the JPG image file the display field indicates that the image is loading. When you would like another image, drag and drop another image into the New Login image frame.
The dropped JPG image is now loaded and it is ready to set as the new login background image.
![Background Background](/uploads/1/1/7/8/117822210/668761937.png)
Click on the button Set new Login image to replace the current login background image with the new dropped image. The display field indicates that the image is changing.
The dropped image is now the current login background image. When you logout, you can see the customized Login screen.
If you want to reset the current login background image to the Mac OS X default login background image, click on the button Reset to default image. The display field indicates that the image is changing.
The current login background image is now set to the Mac OS X default login background image. To see the changes you have to log out.