Confirm GPU driver health:
Insufficient permissions often prevent SteamVR from accessing necessary system resources, like virtual audio devices or headset drivers. Steamvr Error 475
Are you using a or a specific Anti-Cheat software on your PC right now? : Ensure your GPU drivers are up to
Mira.
: Ensure your GPU drivers are up to date, as outdated drivers can prevent the HMD from being recognized as a video device. Specific Scenarios Virtual Desktop : If you are using Quest with Virtual Desktop, ensure the Virtual Desktop Streamer app on your PC is also running as an administrator. Conflicting Software : Some users on Then, the status light on his headset turned
The last thing he felt was the click of a virtual trigger. Then, the status light on his headset turned a calm, steady green. On his monitor, the SteamVR window finally updated: Status: Ready. User: Optimized.
High-security or network-heavy apps like VPNs (Proton, Surfshark), Antivirus (McAfee, ESET), or Anti-Cheat (Riot Vanguard) often block the connection needed for the VR stream.