Additional features, settings, or issues not covered by specific Microsoft Teams Free categories
Please, run the DirectX diagnostics tool.
Go to Windows Start and in the Run box (Windows key + R) type dxdiag.exe and press the OK button. This will start the DirectX diagnostics program. Run this diagnostics and save the results to a file.
You can attach this file to your next post here or save this file on your preferred File Sharing site (e.g. OneDrive) and post here a link to this file.