-vrdebug
This article or section needs to be cleaned up to conform to a higher standard of quality because:For help, see the VDC Editing Help and Wikipedia cleanup process. Also, remember to check for any notes left by the tagger at this article's talk page.
Half-Life: Alyx command-line parameter:
Valve Comments: If you don't have a VR device, you can run with -vrdebug to see vr rendering as a side-by-side stereo render.
Summary: Allows you to avoid VR requirement to launch the game. Otherwise Error: "SteamVR failed initialization with error code VRInitError_Init_HmdNotFound: "Hmd Not Found (108)" "Please verify SteamVR is properly installed and try again."
Usage: SteamLibrary-> Half Life: Alyx -> Properties -> General Tab -> Set Launch Options -> "-vrdebug"