This article shows how to troubleshoot a Tobii eye-tracker when your eyes do not appear in the positioning guide.
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Step 1:
Open Eye Tracking Settings.

Step 2:
Click on "Setup display".

Step 3:
Check the box in the center of the screen, indicating you are using an Eye Tracker Bracket. Then click Done.

Step 4:
Confirm that your eyes show up in the positioning guide on the right hand side of the Settings menu.
