Steamvr Error 475 -
Update or roll back GPU drivers
block the software from recognizing connected hardware. Steamvr Error 475
Uncheck the box that says . Click OK and restart your computer. 4. Reinstall and Clean USB Drivers via SteamVR Update or roll back GPU drivers block the
typically stems from the system failing to properly detect or communicate with your VR headset (HMD) Restart your computer
Download the latest drivers for your graphics card ( or AMD Adrenalin ). Perform a "Clean Installation" if prompted. Restart your computer. 5. Remove SteamVR USB Devices
Technically, Error 475 occurs when the fails to synchronize with the headset's internal processor. This is usually due to "handshake latency"—basically, the PC sent a signal, and the headset didn't answer fast enough, causing the system to time out and throw the error code.
It sounds cliché, but outdated drivers are a major source of VR instability. If your GPU driver is old, it may not recognize the VR compositor commands correctly.