Error 475 belongs to a family of SteamVR connection errors (like 108, 208, and 436). Specifically, 475 indicates that SteamVR has lost communication with the headset’s display path. The USB connection may be working (audio and tracking might still function), but the video signal (HDMI or DisplayPort) is not being received.

While the code sounds cryptic, it usually points to a specific issue: your computer is trying to launch SteamVR using the wrong graphics card, or your drivers are having a communication breakdown.

: If it is already enabled, try disabling it, restarting SteamVR, and then re-enabling it to refresh the connection. 3. Reinstall on the System Drive (C:)

If the error persists, try clearing out potential software hang-ups:

Run DDU and select your graphics card type (NVIDIA or AMD), then click .

Windows can sometimes put USB ports to sleep, severing the connection to your headset.

Before diving into deep system settings, try these high-success "reboot" methods:

SteamVR Error 475 is a non-specific error that generally points to a breakdown in the communication chain between your headset, PC, drivers, and the SteamVR software. Users often see a pop-up stating that "SteamVR has encountered an unexpected problem," with the headset icon appearing ready for only a moment before the session crashes.