Unlimited Alert Moderation delay forces you to press 'accept' each time an event is received and to trigger the alert to come up on the screen. Check to ensure that Unlimited Alert Moderation Delay is disabled.Then restart Streamlabs Desktop or OBS Studio Try turning on or off browser hardware acceleration (Settings > Advanced > Sources > Enable Browser Source Hardware Acceleration).You need to more the source up in the layers list if you cannot see it. Right-click your alert box > properties > sources.You will also want to ensure that your Alertbox audio is ticked for every track that you wish for it to sound for multitrack recording (for stream audio by default you would choose track 1).If your monitoring device is different than your desktop audio device, please select monitor and output. Monitor Only (Mute Output) should work for the majority of people.

Click on the gear to the right of your Mixer to launch your Advanced Audio Settings.

In your recent events list, at the top right, ensure that you do not have your alert sounds muted:.If that doesn't solve the problem, follow this guide (If you want to jump to a specific section please use the links below). The first step is always to log out of Streamlabs Desktop and, then log back in. This guide focuses on all of our widgets, which you can find here. Widgets can be added as a widget source in Streamlabs Desktop, or as browser sources in other streaming software. A widget is a source type that you can add to your stream to help make your stream more interactive.

There are various reasons that your alerts/widgets could not be working.

Streamlabs dashboard