This guide shows you how to personalize your Mac's lock screen, adding a personal touch to your device's security. We'll cover changing the login screen image, wallpaper, and adding a custom message.
Personalizing Your Mac's Lock Screen
macOS offers customization options beyond the menu bar and Dock. You can personalize your lock screen with a custom message, user icon, and background image.
Changing Your Lock Screen Icon
To change the profile picture displayed on your lock screen:
- Go to Apple menu > System Preferences > Users & Groups.
- Unlock the lock (bottom left) using your password.
- Select your user account.
- Click your user icon to edit.
- Choose a Memoji, emoji, monogram, photo from your camera, or an image from your Photo Library.
- Click Save.
Use apps like Luminar Neo for quick image enhancements, including background removal and AI-powered enhancements.
Changing Your Lock Screen Wallpaper
To change your lock screen wallpaper:
- Determine your Mac's screen resolution (Apple menu > About This Mac > Displays).
- If necessary, resize your chosen image using Preview (right-click, Open With > Preview, Tools > Adjust Size) to match your screen resolution. Save the image as
lockscreen.png. - Open Finder, Go > Go to Folder, and type
/Library/Caches. - Drag your
lockscreen.pnginto the Caches folder, replacing the existing file if prompted. If not prompted, locate the Desktop Pictures folder within Caches and replace thelockscreen.pngthere.
Note: Changing your desktop background will revert the lock screen to the default.
Use Wallpaper Wizard for high-quality desktop wallpapers.
Adding a Custom Text Message
To add a custom message to your lock screen:
- Go to Apple menu > System Preferences > Security & Privacy > General.
- Unlock the lock (bottom left) using your password.
- Check "Show a message when the screen is locked" and click "Set Lock Message."
- Enter your message and click OK.
Frequently Asked Questions
- How to lock the screen: Finder > Apple Menu > Lock Screen, or Control Command Q.
- How to disable the lock screen: Apple menu > System Preferences > Security & Privacy > uncheck "Require password."
- Image compatibility: Only images matching your screen resolution will display correctly.
- Multiple images: Only one image can be used at a time.
- Multiple users: The selected wallpaper becomes the default for all users.
Consider using Setapp for access to Luminar Neo and Wallpaper Wizard, along with many other helpful Mac apps. A 7-day free trial is available.
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