SteamVR uses "hidden" drivers to communicate with your Windows OS. If these become corrupted, Error 475 is a common result. Open the menu on your desktop. Go to Settings > Developer . Scroll down and click Remove all SteamVR USB Devices . Unplug your headset and restart your PC.
Sometimes a soft reset clears transient states.
Click on the newly added application, select , choose High Performance (your dedicated GPU), and click Save . Repeat this process for vrserver.exe . 6. Reset SteamVR Developer Settings Steamvr Error 475
: Windows falsely identifies the VR headset as a secondary desktop monitor rather than a dedicated video hardware peripheral.
If you are using a wireless setup or a standalone headset via link software, ensure your headset firmware matches the version required by your PC desktop client. SteamVR uses "hidden" drivers to communicate with your
Temporarily disable your firewall or antivirus to see if it is blocking the SteamVR communication port.
Discord Overlay, GeForce Experience In-Game Overlay, OBS Studio. Go to Settings > Developer
Background programs that hook into your graphics pipeline can conflict with SteamVR's display management, triggering Error 475.