The fastest way to change your MacBook wallpaper

Open System Settings, click Wallpaper in the sidebar, then select a new image from Apple's library or upload your own. The change takes effect immediately on your desktop and lock screen. The whole process takes under a minute.

You can use any photo stored on your Mac, download images from the web, or choose from the built-in collections that come with macOS. Different wallpapers can be set for your desktop and lock screen, and you can rotate through multiple images on a schedule if you want variety.

Key Takeaways

  • System Settings > Wallpaper is the only place you need to go; third-party apps are not required.
  • You can set different wallpapers for your desktop and lock screen at the same time.
  • Uploading a photo from your Mac or an external drive takes the same steps as selecting a built-in image.
  • If you have multiple monitors, each display can have its own wallpaper.

Opening System Settings and finding the Wallpaper menu

Click the Apple menu in the top-left corner of your screen, then select System Settings. On the left sidebar, scroll down until you see Wallpaper and click it. If you do not see Wallpaper in the sidebar, your macOS version may be older; in that case, look for Desktop & Screen Saver instead.

The Wallpaper pane shows your current desktop and lock screen images at the top, with a library of available images below. You can browse by category — Dynamic, Light, Dark, Collections, and Photos — or search by name if you know what you are looking for.

Selecting a wallpaper from Apple's built-in library

Browse the categories and click any image to preview it. The preview shows how it will look on your desktop. Once you have found one you like, click it again or look for an Add button, and it will be set as your wallpaper immediately.

Dynamic wallpapers change throughout the day to match the time of sunrise and sunset in your location. Light and Dark collections are designed to work well with your Mac's appearance settings. If you want the same image on both your desktop and lock screen, you only need to select it once; if you want different images, repeat these steps for the lock screen separately.

Uploading a photo from your Mac or external drive

Click the plus (+) button in the Wallpaper pane, or look for an Add Photo option. A file browser will open. Navigate to the folder where your photo is stored — usually Pictures, Downloads, or a folder on an external drive — and select the image you want.

Your Mac accepts JPEG, PNG, HEIF, and other common image formats. Once you select the photo, it will appear in your library under a Photos section and can be set as your wallpaper the same way as any built-in image. You can add as many photos as you want; they will all stay in your library for future use.

Setting different wallpapers for desktop and lock screen

After you select your first image, look at the top of the Wallpaper pane. You will see thumbnails for both your desktop and lock screen. Click the lock screen thumbnail to switch to lock screen settings, then choose a different image if you want. Click the desktop thumbnail to go back and change the desktop wallpaper.

This lets you have a professional or minimal image on your lock screen while keeping a personal photo or colorful design on your desktop. The two are independent, so changing one does not affect the other.

Using wallpaper rotation and scheduling

Some wallpaper categories offer a rotation option. When you select an image, look for a dropdown menu or toggle that says Change Picture or Rotate. You can set it to change every hour, every day, or every time you wake your Mac. This is useful if you want variety without having to manually switch wallpapers.

If you have added multiple photos to your library, you can set rotation to cycle through them on your chosen schedule. The rotation applies only to the desktop or lock screen you are currently setting, so you can have one rotate and the other stay static.

Troubleshooting common wallpaper problems

If your wallpaper does not change after you select it, close System Settings completely and open it again. If a photo you uploaded does not appear in your library, check that the file format is supported (JPEG, PNG, or HEIF) and that the file is not corrupted. Try opening the photo in Preview first to confirm it displays correctly.

If you have multiple monitors, each display has its own wallpaper setting. Open System Settings, go to Wallpaper, and look for a dropdown or menu that lets you choose which display you are configuring. Set each one separately if you want different images on each screen.

Frequently Asked Questions

Can I use a photo from the internet as my wallpaper?

Yes. Right-click the image in your web browser, select Save Image As, and save it to your Mac. Then follow the steps above to upload it through System Settings. Make sure you have permission to use the image if it is copyrighted.

What happens to my wallpaper if I update macOS?

Your custom wallpapers and settings are preserved during a macOS update. Built-in wallpapers may change or be added in new versions, but your choices remain the same.

Can I set a video as my wallpaper?

No. macOS wallpapers must be still images. Some third-party apps offer video wallpaper, but they are not part of the standard system and may affect performance.

Why is my wallpaper blurry or stretched?

This usually happens when the image resolution is much smaller than your screen resolution. Use a photo that is at least 1920 × 1080 pixels, or higher if you have a larger or high-resolution display. macOS will scale the image, but starting with a larger file produces better results.