How to Enable Flashing Screen Alerts on macOS 13

This guide provides step-by-step instructions for enabling the screen-flash alert feature on macOS 13 Ventura. Designed as an accessibility aid for deaf or hard-of-hearing users, this visual notification is also ideal for anyone working in silent environments where audio alerts are turned off or difficult to hear.

Steps to Enable the Screen Flash Alert

  1. Open System Settings
    Click the Apple menu () in the top-left corner of your screen and select System Settings.

  2. Navigate to Accessibility
    In the left sidebar, scroll down and click on Accessibility.

  3. Select Audio
    Under the Hearing section in the right pane, click on Audio.

  4. Turn On Flashing Alerts
    Locate the option labeled Flash the screen when an alert sound occurs. Toggle the switch next to it to the On position.

  5. Test the Alert
    Click the Test button next to the setting to see a preview. The screen should briefly flash white to confirm the feature is active.

Once enabled, your Mac’s display will automatically flash whenever an application or the system triggers an alert sound, ensuring you never miss a notification.