Why do my Calendar alerts not sound?

If you don’t get all or some of your Calendar notifications, try these tips to fix the problem.

Locate missing notifications in Google Calendar

Make sure Desktop notifications are on

Find missing notifications for a specific event

​To verify that an event has notifications, take these steps:

1. Open Google Calendar.
2. Click the event 
   
   Edit event .
3. Check if there are notifications next to Notifications 
   
   .

For more details, check the Help Center.

Find missing event notifications on a calendar

To verify that the calendar has event notifications, take these steps:

1. Open Google Calendar.
2. Click Settings .
3. Select Settings.
4. On the left sidebar, under “Settings for my calendars,” click the calendar.
5. Under “Event notifications” or “All-day event notifications,” check for notifications.

Learn how to change your Calendar settings.

Fix missing notifications in your browser settings

Confirm that Calendar has permission to show notifications

In Chrome:

1. On your computer, open Chrome.
2. At the top right, click Menu  
   
   Settings.
3. Under “Privacy and security,” click Site Settings
   
   Notifications.
4. Under “Allowed to send notifications,” confirm that calendar.google.comis listed.
5. If calendar.google.com isn’t listed:
   1. Under “Allowed to send notifications,” click Add.
   2. Enter calendar.google.com.
   3. Click Add.

In other browsers:

1. Go to your browser’s notification preferences.
2. Confirm that calendar.google.comhas permissions for notifications.
   • If it doesn’t, add permissions.

Learn how to modify Calendar notifications in your browser settings.

Use Chrome notifications

Important: If your device runs on ChromeOS, you don’t have to enable Chrome notifications.

1. In the address bar, type chrome://flags/#enable-system-notifications.
2. Press Enter.
3. From the “Enable system notifications” dropdown, select Disable.
4. Click Relaunch.

Check your OS settings

Verify your browser has permission to display notifications

 Most operating systems, such as Mac OS or Windows, allow notifications. To confirm your browser has permission to display notifications, take these steps:

1. Open your operating system settings or system preferences.
2. Click Notifications.
3. Confirm that the operating system allows the browser to show notifications. 

Important: To display notifications, open Google Calendar.

Find missing notifications in full screen in Windows 10

Notifications may stack on top of each other in:

• Mac OS
• Linux, based on the desktop environment

If notifications are stacked, only the top one displays.

On Windows 10, notifications may not be delivered when you:

• Are in full-screen mode
• Share the screen
• Play a game

To turn on notifications in these situations: 

1. Open Windows Settings.
2. Select Focus Assist.
3. Confirm the status of the options.
   • Notifications aren’t delivered for options that are turned on.

Find notifications that go missing without interaction in Windows 10

On Windows 10, if there’s no interaction, notifications may be stored after a period of inactivity. You can find notifications in the Action Center.

Check notifications in the Mac OS Notification Center

On Mac OS, notifications may be hidden on your screen but found in the Notification Center. If there are no notifications in the Notification Center, you may need to restart it in System Preferences.

• For more information on the Notification Center, visit Apple Support.

Notifications in the Notification Center should now display. If you still can’t find your notifications:

1. Open a Terminal.
   • For information on how to open a terminal, visit Apple Support.
2. Enter killall NotificationCenter.

Find missing notifications for a monitor or projector on a Mac

By default, Mac OS doesn’t allow notifications when mirroring the screen or sharing the display. To allow them, take these steps: 

1. Open System Preferences.
2. Click Notifications & Focus.
3. At the bottom, select When mirroring or sharing the display.

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