The user must log in and change their picture or log out so you can change it.
- On your Mac, choose Apple menu > System Settings, then click Users & Groups in the sidebar. ...
- Click the user picture on the right, then do any of the following: ...
- After you select an image, you can adjust its look. ...
- Click Save.
- Why can't I change my profile picture on my macbook?
- Why can't I change my Apple ID profile picture?
- Why can't I change my Mac username?
- How do I change my user picture on Mac without photos found?
Why can't I change my profile picture on my macbook?
Click the Apple menu (1), then click System Preferences (2). Click Users & Groups. Click the User account (1) you would like to make changes to. If settings are locked, click the Lock icon (2) to unlock the settings, then click the User account picture (3) to begin making changes.
Why can't I change my Apple ID profile picture?
Re-Add Photo
If your iPhone still fails to update or load your profile picture, try reuploading it. Start by getting to the Apple ID screen on the Settings app. Then, tap the portrait area to the top of the screen and select Choose Photo to pick the photo from your Photos Library.
Why can't I change my Mac username?
You can't change the name of an account while logged into the account you're changing. So you will also need to log in to a different (administrator) account to do this – you may need to create that first.
How do I change my user picture on Mac without photos found?
In Photos preferences, check that your library is set as the System library. If the button is grayed out there, then it is already set. You can drag a photo onto the user picture, too. Don't click on Edit, just drag an image file onto it.