First time SteamVR is started, you should run Room Setup If you see half image on one eye and the other half on other eye, the reason is because content is not SBS This is the default for SteamVR (make sure you adjust the IPD to suit your eyes). No 3D depth / half image shown on each eye: 3D depth perception needs content to be in 3D SBS (Side by Side). For Nvidia, versions 381.65 and 384.94 have been verified to work Certain GPU drivers are known to cause problems. VR Server) running after stopping SteamVR (you can view/end running processes from Windows Task Manager) Check that there's no SteamVR process (eg. Restart Steam and only start SteamVR after Trinus is running. Ensure SteamVR and Trinus are up to date SteamVR detection problems: SteamVR may not detect the Trinus driver (throwing a 306, 108 or other error code)