Do you want to change the login screen background on your Mac? It’s easy to do. You just need to follow a few steps. This guide will help you.

Why Change the Login Screen Background?
Changing the login screen background can make your Mac more personal. You can put a picture you like. Or just change the default background.

Steps to Change Login Screen Background
Follow these steps to change the login screen background on your Mac:
Step 1: Choose A New Image
First, choose the image you want. It can be a picture of your family. Or a photo of your pet. Make sure it is a .png file.
Step 2: Resize The Image
Your image should have the right size. The size is 2560 x 1600 pixels. You can resize the image using Preview.
How to Resize in Preview:
- Open the image in Preview.
- Click on “Tools”.
- Select “Adjust Size”.
- Enter 2560 for width and 1600 for height.
- Click “OK”.
- Save the image.
Step 3: Rename The Image
Next, rename your image. The file name should be “Mojave.heic”. This is important. Your Mac will use this image on the login screen.
Step 4: Copy The Image
Now, you need to copy the image to a specific folder.
Steps to Copy the Image:
- Open Finder.
- Go to the “Go” menu.
- Select “Go to Folder”.
- Type /Library/Desktop Pictures/ and click “Go”.
- Drag your image to this folder.
- Replace the existing “Mojave.heic” file.
Step 5: Restart Your Mac
Finally, restart your Mac. You will see the new background on the login screen.
Tips for a Great Login Screen
Here are some tips for choosing a good image:
- Use a high-quality image.
- Choose a simple and clean picture.
- Avoid too many colors or details.
Troubleshooting
If the background does not change, check these:
- Make sure the image is in .png format.
- Check the file size and dimensions.
- Verify the file name is correct.
Frequently Asked Questions
How Do I Change My Mac Login Screen Background?
Go to System Preferences > Desktop & Screen Saver. Select an image you like.
Can I Use Any Image For My Mac Login Screen?
Yes, you can use any image. Just make sure it is in a supported format like JPEG or PNG.
Where Is The Default Mac Login Screen Background?
The default background is in the /Library/Desktop Pictures/ folder.
Do I Need Admin Rights To Change The Login Screen?
Yes, you need admin rights to make changes to the login screen background.
Conclusion
Changing the login screen background on your Mac is easy. Just follow the steps in this guide. Soon, you will have a more personal and fun login screen. Enjoy your new Mac look!