Macbook Air Screensaver

1. Open the Photos app and select that photo.
2. Photos menu > New Album from Selection...
3. Give that album a name.
4. Open  (Apple menu) > System Preferences... > Desktop & Screen Saver > Screen Saver
5. Choose one of the options that permits selecting a photo of your choosing, such as Classic.
6. Source > Photo Library...
7. Select the album you just created.

lindabed wrote:

... don’t know what to do.

What you need to do is post your own Discussion:

My photos won’t show as a screensaver! I get a black screen. Before i updated some were sideways. Really unhappy about this and don’t know what to do. I have a MacBook Pro and it’s updated.