geo1967 Posted April 26, 2018 Share Posted April 26, 2018 Got my Pro today. Update Nvidia and HTC drivers to current. I have an Asus GTX 1080Ti that I have in a breakout box connected to my minipc via TB3. When the Steam VR app launches, get error 400 stating to launch compositor? I have tried the fixes discussed here and problem still persists. I have gone into Nvidia control panel - 3D - and selected the 1080 as the preferred device. When I go to programs and select Steam, it is set to use 1080. Under add programs, I added all of the steam associated apps. After a reboot, my screen is blank and the external GPU has no video output? Really confused! My original Vive worked like a charm out of the box. Not the case with the Pro. Link to comment Share on other sites More sharing options...
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