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Launch Steam VR witout monitor : famous error 400, compositor failed


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For an app, i use the MSI VR One and, off course, i don't want to connect a another monitor (we control the app with network commands). With a monitor : work fine, without : Compositor error (400), each time...

I try all the "classics tips" (driver update / cables / install Steam VR etc.), but nothing work !

Somebody try to use the same configuration ?


Thanks !

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