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How to Fix Alarm and Clock Not Working in Windows 11


If your Windows 11 Alarm and Clock app isn’t working properly—alarms not ringing, timers failing to start, or the app not opening—you’re not alone. Many users have encountered this frustrating issue. The good news? There are several straightforward fixes you can try to get your Alarm and Clock app working perfectly again.

In this guide, we’ll walk you through the most effective methods to troubleshoot and repair the Alarm and Clock app on Windows 11. Whether you’re relying on it to wake up on time or keep track of important events, we’ll help you get it running smoothly again.


Why Is My Windows 11 Alarm and Clock Not Working?

Before diving into fixes, it’s helpful to understand some common reasons why it might malfunction:

  • App glitches or bugs: Sometimes updates or system changes can cause the app to misbehave.
  • Background permissions issues: The app needs permission to run and send notifications.
  • Corrupted app files: Key system files for Alarm and Clock may be corrupted or missing.
  • Focus Assist or Do Not Disturb settings: These settings can block alarm notifications.
  • Outdated Windows version: Compatibility problems with older Windows builds.


How to Fix the Alarm and Clock App on Windows 11

1. Restart Your PC

Sounds simple, but a quick restart can resolve many temporary glitches affecting the Alarm and Clock app.

  • Click Start > Power > Restart.
  • After rebooting, test if your alarms work again.

2. Check Alarm Settings & Volume

Ensure the alarm is properly set:

  • Open the Alarm & Clock app.
  • Verify the alarm time and make sure it is enabled.
  • Check your system volume and sound output—alarms rely on sound playing through speakers or connected devices.

3. Allow Background Permissions

Alarms require permission to run in the background and send notifications:

  • Go to Settings > Apps > Apps & Features.
  • Locate Alarm & Clock in the list.
  • Click the three dots and select Advanced Options.
  • Make sure Background apps permissions is set to Always.
  • Under Notifications, turn on notifications for the app.

4. Turn Off Focus Assist or Modify Its Settings

Focus Assist can silence notifications, including alarms.

  • Open Settings > System > Focus Assist.
  • Either disable Focus Assist or set it to Priority only and make sure Alarm & Clock is allowed in priority list.

5. Update the Alarm & Clock App and Windows 11

Updates often fix bugs:

  • Open Microsoft Store, go to Library, and click Get updates.
  • Update the Alarm & Clock app if available.
  • Also, update Windows 11 by going to Settings > Windows Update > Check for updates.

6. Reset the Alarm & Clock App

Resetting clears cache and app data but won’t delete alarms you’ve saved online.

  • Go to Settings > Apps > Apps & Features.
  • Find Alarm & Clock, click the three dots > Advanced Options.
  • Scroll down and click Reset.
  • Restart the app and test your alarms again.

7. Run the Windows Store Apps Troubleshooter

Windows has a built-in troubleshooter:

  • Go to Settings > System > Troubleshoot > Other troubleshooters.
  • Find Windows Store Apps and click Run.
  • Follow on-screen instructions to fix detected issues.

8. Reinstall the Alarm & Clock App

If all else fails, reinstall the app:

  • Press Win + X > Windows Terminal (Admin).

  • To uninstall, type:

    get-appxpackage windowsalarms | remove-appxpackage

  • Then, open Microsoft Store, search for Alarm & Clock, and reinstall it.


Bonus Tips: Stay Alarm-Ready

  • Keep your PC updated regularly.
  • Avoid third-party apps that may conflict with notification settings.
  • If alarms are critical (e.g., for medications or waking up), always have a backup on your phone or a physical alarm clock.


Final Thoughts

The Windows 11 Alarm and Clock app is convenient and reliable when working properly. If yours isn’t ringing on time, following the above steps should resolve most issues. By checking permissions, toggling system settings, applying updates, and resetting or reinstalling the app, you can get back to seamless time management.

If you continue having trouble, you might want to reach out to Microsoft Support or check community forums for the latest fixes tailored to your device.


Did this guide help you fix your Windows 11 Alarm and Clock? Share your experience or any other tips in the comments below!

Updated on July 6, 2025
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