Troubleshooting

Fix common call issues fast

Hand-picked guides for microphones, webcams, speakers, and connectivity problems across Zoom, Teams, Chrome, Windows, and macOS.

Unblock Camera and Microphone Permissions in Your Browser

Clear old blocks in Chrome, Edge, Firefox, or Safari, then rerun the DevicePrep tests.

Free the webcam from other apps, reset permissions, and confirm with the DevicePrep Webcam Test.

Run the online Mic Test, then enable permissions and pick the right input so apps hear you on Windows 11.

Unmute, pick the right mic, reset permissions, and use the online Mic Test to confirm Zoom can hear you.

Measure latency and jitter with the DevicePrep Network Test, then reduce congestion for smoother calls.

Choose the right output, raise volume, and confirm both channels with the DevicePrep Speaker Test.

Select the right mic, allow OS or browser permissions, and verify with the online Mic Test before joining Teams.

Turn on camera access, refresh drivers, and test with the DevicePrep Webcam Test and the Camera app.

Allow the site, choose the right camera in Chrome settings, and verify with the DevicePrep Webcam Test.

Use the DevicePrep Speaker Test and Zoom's own test to pick the right output and hear the call.