Drivers

Software > Somnium VR1 Tool > Somnium VR1 Tool UI > Settings > Software > Drivers

Drivers page contains installation options and details for background Somnium Service, OpenXR Runtime, SteamVR Driver, and Ultraleap Runtime.

  • Somnium Service
    • Somnium background service provides communication interface between the headset and the Somnium VR1 Tool software. The service is installed automatically when you start Somnium VR1 Tool application, and can’t be changed except when updating to new Somnium VR1 Tool version.
    • Status
      • Shows status and version of currently installed Somnium Service.
    • Logs
      • Can be used to switch between Basic and Advanced logs.
      • If you encounter any issues with the Somnium software, we recommend switching to Advanced logs before sending the log files to our support (see Handling errors).
      • The Open Logs Folder button can be used to directly open the Somnium log folder for easier access.
  • OpenXR Runtime
    • Somnium OpenXR Runtime allows you to use any existing OpenXR application directly with Somnium VR1 headsets.
    • Status
      • Shows status and version of currently installed OpenXR Runtime.
    • Install / Uninstall Software
      • When the OpenXR Runtime is not installed or it is outdated, you can use the Install button to install the latest version included in the Somnium VR1 Tool.
      • When the OpenXR Runtime is installed, the Install button changes to Uninstall, and can be used to uninstall OpenXR Runtime completely.
    • Check Installation
      • Can be used to refresh the status and version of the OpenXR Runtime.
    • Enable OpenXR
      • Can be used to enable or disable the OpenXR Runtime.
      • This option corresponds to the system wide active OpenXR runtime (configured through Windows registry – “HKEY_LOCAL_MACHINE\SOFTWARE\Khronos\OpenXR\1\ActiveRuntime”).
      • When you enable Somnium OpenXR Runtime it will replace any previously set active OpenXR runtime.
      • When you disable Somnium OpenXR Runtime it will clear the active runtime register, so the system wide OpenXR runtime will not be set.
    • Current OpenXR Runtime
      • Shows name of the currently active system wide OpenXR runtime (according to Windows registry value).
  • SteamVR Driver
    • Somnium SteamVR Driver allows using any existing SteamVR application with Somnium VR1 headsets directly.
    • Status
      • Shows status and version of currently installed SteamVR Driver.
    • Install / Uninstall Software
      • When the SteamVR Driver is not installed or it is outdated, you can use the Install button to install the latest version included in the Somnium VR1 Tool.
      • When the SteamVR Driver is installed, the Install button changes to Uninstall, and can be used to uninstall SteamVR Driver completely.
    • Check Installation
      • Can be used to refresh the status and version of the SteamVR Driver.
    • Test
      • Opens a separate window showing status of all connected SteamVR sensors.
      • When each sensor receives signal from SteamVR base stations the counter next to its’ number will go up. So it can be used to confirm that all SteamVR sensors work correctly.
    • Enable SteamVR
      • Can be used to enable or disable the SteamVR Driver.
      • Be aware that this requires SteamVR restart.
      • This option corresponds to the state of somnium driver in SteamVR app, so it can also be changed there (main SteamVR menu – Startup/Shutdown – Manage Add-ons).
    • SteamVR IPD Rounding
      • Can be used to change rounding of IPD values displayed in standard SteamVR overlays.
      • By default 1mm is selected, so any IPD values will be rounded to closest mm value.
      • If lower rounding value is selected SteamVR IPD overlay will show more often, but will display more precise results.
    • SteamVR IPD Overlay
      • Can be used to completely disable standard SteamVR IPD overlay, which shows up each time when IPD value is changed.
  • Ultraleap Runtime
    • Ultraleap Runtime allows you to utilize the embedded Ultraleap sensor for hand tracking.
    • Status
      • Shows status and version of currently installed Ultraleap Runtime.
    • Show Ultraleap EULA
      • Can be used to open online version of Ultraleap EULA from their website.
    • Install Software
      • When the Ultraleap Runtime is not installed or it is outdated, you can use the Install button to install the latest version included in the Somnium VR1 Tool.
    • Repair Installation
      • Can be used to reinstall the Ultraleap Runtime and configuration files.

This page was last modified on February 2nd, 2026 at 16:47

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