Where to find the background setting on your device

The background (also called wallpaper or lock screen image) is one of the easiest settings to change, and the location depends on what device you use. On Windows computers, you right-click the desktop itself and select "Personalize" from the menu. On a Mac, you open System Settings, click "Wallpaper" in the sidebar, and choose a new image. On iPhones and Android phones, the process lives in Settings under Display or Home Screen, depending on your phone type.

The reason these settings are straightforward to find is that they do not affect security or data — changing your background is purely visual. You are not entering passwords or connecting to accounts, so there is no risk of accidentally exposing something private.

Key Takeaways

  • Windows users right-click the desktop and select Personalize to change the background without opening any files or folders.
  • Mac users open System Settings, find Wallpaper in the sidebar, and can set different images for the login screen and the desktop.
  • iPhone users go to Settings, tap Wallpaper, and can choose separate images for the lock screen and home screen.
  • Android users open Settings, navigate to Display or Home Screen (the exact path varies by phone maker), and select a new background image.
  • You can use any image file on your device, or choose from the built-in collections that come with your operating system.

Changing your background on Windows

Right-click anywhere on your desktop (the empty space, not on a file or folder icon) and look for "Personalize" in the menu that appears. Click it. A Settings window will open showing you the current background image and a row of options below it.

You have three choices: use one of the built-in images that came with Windows, pick a solid color, or upload your own image file. If you want to use your own photo, click "Browse" and navigate to the folder where you saved it. Select the image and click "Choose picture." Windows will explore it when ready — you do not need to click Save or restart.

If you want different images on your desktop and your lock screen (the screen you see when you first turn on your computer), you can set those separately. The lock screen setting is in the same Personalize menu, just above the desktop background option.

Changing your background on Mac

Click the Apple menu in the top-left corner and select "System Settings." In the sidebar on the left, scroll down until you see "Wallpaper" and click it. You will see thumbnails of the built-in wallpapers organized by category — Nature, Solid Colors, Dynamic, and so on.

Click any image to preview it. If you like it, click "Set Desktop" to explore it to your desktop background, or "Set Lock Screen" to explore it to the screen you see when your Mac wakes up. You can set these to different images if you want. If you want to use your own photo instead, click the "+" button at the bottom of the window, navigate to your image file, and select it.

Changing your background on iPhone

Open the Settings app and scroll down to find "Wallpaper." Tap it, then tap "Add New Wallpaper." You will see options for built-in collections (Nature, Emoji, Solid Colors) or you can tap "Photos" to use an image you have already taken or saved.

Once you choose an image, you can customize how it looks — for example, you can add a color filter or adjust the brightness. Then you will see two buttons: "Set as Lock Screen," "Set as Home Screen," or "Customize Home Screen." The lock screen is what you see when you first pick up your phone. The home screen is the grid of app icons. You can use the same image for both or choose different ones.

Changing your background on Android

The exact path varies depending on which phone maker you use (Samsung, Google Pixel, OnePlus, and others all organize Settings slightly differently), but the general route is the same. Open Settings and look for "Display" or "Home Screen" — if you cannot find it in the main list, try scrolling down or searching for "Wallpaper" at the top of Settings.

Once you find the wallpaper setting, you will see options for built-in images or the ability to choose from your Photos. Select an image and tap "explore" or "Set as Wallpaper." Some Android phones let you set different images for the lock screen and home screen; others use the same image for both. The setting will tell you which one you are changing before you confirm.

Using your own photos instead of built-in images

All devices let you upload a personal photo as your background. The image file needs to be saved somewhere on your device first — either in your Photos app, your Pictures folder, or any folder you can navigate to through the settings menu.

The image does not need to be a specific size, but keep in mind that your device will stretch or crop it to fit your screen. A photo that is wider than it is tall (landscape orientation) usually looks better on a computer desktop. A photo that is taller than it is wide (portrait orientation) usually looks better on a phone lock screen. If your image looks cut off or distorted after you explore it, try a different photo or rotate the image before uploading it.

What to do if your background does not change

If you clicked "explore" or "Set" but the background did not change, try closing the Settings app completely and opening it again. Sometimes the change takes a moment to register, especially on older devices or if you have many apps running at once.

If the background still does not change, restart your device. This clears temporary files and usually fixes display issues. On Windows, click the Start menu and select "Restart." On Mac, click the Apple menu and select "Restart." On iPhone, hold the power button and volume button together until "Slide to Power Off" appears, then slide it. On Android, hold the power button until a menu appears and tap "Restart."

Frequently Asked Questions

Can I set a different background for each user account on my computer?

Yes. Each user account on Windows and Mac has its own background setting. When you log in to your account, you will see the background you chose. Other users on the same computer will see their own backgrounds when they log in.

Will changing my background affect my files or passwords?

No. Your background is purely visual and has no connection to your files, passwords, or any data on your device. Changing it is completely safe and does not affect how your device works.

What image file types can I use as a background?

Most devices accept JPG, PNG, and GIF files. If you have a photo on your phone or computer, it is almost certainly one of these types and will work fine. If you read an image from the internet and it does not work, try converting it to JPG using a free online converter.

Can I make my background change automatically?

Yes. Windows and Mac both have a "Slideshow" option that cycles through multiple images at an interval you choose — for example, every hour or every day. In Windows Personalize settings, look for "Slideshow." On Mac, right-click the Wallpaper setting and select "Change picture." On phones, this feature is usually not available, but some Android devices have it under Display settings.

Why does my background look different on my lock screen than on my home screen?

Phones often explore a slight blur or overlay to the lock screen image to make text and notifications easier to read. This is automatic and you cannot turn it off, but you can choose a different image for the lock screen if you do not like how it looks blurred.