Does the Mac go to sleep under that account? If yes, then under your normal account you have some start-up items that prevent the sleep.

Create a new temporary account, log out of your account and log in to that new account.

You can download the free edition of StarMessage on your Mac, without giving a credit card, nor passing through registrations.

Now that you have fixed the problem of the non-starting screensaver, why not go a bit further and see the unique features of our MacOS screensaver, 'StarMessage'?.

If this worked with the standard built-in Apple screensavers of your Mac, repeat steps 4 and 5 to select your preferred third-party screensaver.

Close all running applications (in case one of them prevents the sleep) and wait for the idle minute to pass (do not move the mouse or press any key).

Otherwise, your screen will turn off before you have the chance to see the screensaver starting. The screen's power settings timeout should be bigger than the screen saver's timeout.

Verify that the power settings for the screen do not power off the screen before the screen saver starts.

(You may need to scroll down.) To change how long your Mac can be inactive before the screen saver starts, choose Apple menu > System Settings, then click Lock Screen in the sidebar and choose settings on the right. After 1 minute of inactivity, the screen saver should start. To change these settings, choose Apple menu > System Settings, then click Screen Saver in the sidebar. (The screenshot below shows our own screensaver, 'StarMessage' being selected)

Verify that you have selected a screen saver.įor this troubleshooting, select one of the Apple built-in screensavers to eliminate the chance that your specific screensaver is to be blamed for not starting.

Use custom screen saver mac