Mac screensaver not starting - How to fix

Since you like Mac screensavers, why don't you install our Mac screensaver, StarMessage for free?

Mac screen saver

With StarMessage, you can:

  • write your messages in the stars of the night sky
  • see the moon in today's moon phase
  • read inspiring quotes
  • hear calming sounds
  • keep your Mac awake for the next hour(s)
  • and much more

If your Apple Mac (iMac, MacBook) screensaver does not start at all, or if you want to configure the delay after the screensaver starts on Mac you must go to the screen saver settings on Mac OS following the steps below.

  1. Go to system preferences.
    Apple Mac preferences icon
  2. Go to Desktop and screen savers.
    Apple Apple Mac preferences desktop and screen saver
  3. Go to the screen saver tab.
    Apple Mac preferences screen saver screenshot
  4. Verify that you have selected a screen saver.
    For 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. (The screenshot below shows our own screensaver, "StarMessage" being selected)
    Mac OSX screensaver selection
  5. Set the "Start after" parameter. As a test, you can set it to 1 minute. After 1 minute of inactivity, the screen saver should start.
    Mac OSX screensavers - time out to automatically start the screen saver
  6. Verify that the power settings for the screen do not power off the screen before the screen saver starts. The screen's power settings timeout should be bigger than the screen saver's timeout. Otherwise, your screen will turn off before you have the chance to see the screensaver starting.
    Mac OS X energy saver settings (power off monitor, macbook)
    MacOS monitor, system power off settings and delay
  7. 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).
    The screensaver should start.
  8. 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.
  9. 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"?
    You can download the free edition of StarMessage on your Mac, without giving a credit card, nor passing through registrations.

 

If the above did not fix the problem

Here are some more things to check:

  1. Create a new temporary account, log out of your account and log in to that new account. 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.
  2. Check for these factors that can prevent computer sleep:
    Mail app checking the mail very frequently
    Sharing of content
    Wake by a network access
    Queued print jobs to disconnected printers
    Active pages that refresh themselves in Safari or other browsers
    iTunes and Photo sharing services
    Bluetooth connected devices

 

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