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These games are supposed to work with TrackIR but they don't:

F1 Challenge 99-02
The TrackIR camera's right light remains OFF, so no detection!

The same (as above) happens to Battlefield 2 and America's Army 3...

Insurgency (Half-Life 2 mod) activates the TrackIR right light, which means that a supported games is being launched! But in-game, there's NO TrackIR head movement detections, even after enabling it by the game's options...

What do I do to actiavate TrackIR in these titles?

Insurgency requires you to go to options - mouse - advanced and enable TrackIR, as detailed on the insurgency page in our games list, here.

F1 Challenge had full support patched in, so I would recommend ensuring that you are on the latest version and fully upgraded. Additionally, it may help to start both F1 and TrackIR by right clicking on their icons and selecting "Run as administrator".

Battlefield 2 and AA3 do not support TrackIR.