How can I if tell my eye tracker is working properly?

Does my eye tracker work fine?

If your screen based eye tracker shows up in the Eye Tracker Browser and doesn't display any error message, it is likely to be properly connected and fuctional.

If you want to check its perfomance, proceed to the eye tracker configuration, perform a participant calibration and "check calibration".

If you want to learm more about eye tracker accuracy and precision, check this Learn article.