: For wired headsets like the HTC Vive or Valve Index, unplug the power and USB cables from the PC-side of the link box, wait five seconds, and plug them back in.
Users have reported that installing SteamVR on a secondary drive (like D: or E:) can lead to pathing errors that trigger Error 475. : Move or reinstall SteamVR.
If software fixes don't work, the issue may lie with physical connections or driver conflicts. Steamvr Error 475
: In the SteamVR status window, go to Menu > Developer > Developer Settings > Remove All SteamVR USB Devices . This clears old driver data; reconnect your headset afterward to reinstall clean drivers. Additional Software Considerations
Insufficient permissions often prevent SteamVR from accessing necessary system resources, like virtual audio devices or headset drivers. : For wired headsets like the HTC Vive
: Move your headset's USB cable to a different port. If you are using a USB 3.0 port, try a USB 2.0 port, or vice versa, to rule out chipset compatibility issues.
: Completely close Steam and your headset's software (e.g., Meta Quest Link or Virtual Desktop). If software fixes don't work, the issue may
: Navigate to Developer > Developer Settings and click Enable Direct Display Mode .
: 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:)