From 02cb26ba19a2f47bbeff8da3f95ad127c2269610 Mon Sep 17 00:00:00 2001 From: Sapphire Date: Tue, 8 Apr 2025 19:57:49 +0000 Subject: [PATCH] Add Monado display issue troubleshooting --- content/docs/fossvr/monado/_index.md | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/content/docs/fossvr/monado/_index.md b/content/docs/fossvr/monado/_index.md index 737a817..01494c5 100644 --- a/content/docs/fossvr/monado/_index.md +++ b/content/docs/fossvr/monado/_index.md @@ -35,4 +35,16 @@ OpenComposite is REQUIRED to operate Monado in conjunction with Steam games. Pro ## Envision -[Envision](/docs/fossvr/envision/) provides a fairly low-barrier setup and development of both Monado and OpenComposite on most any modern distro. \ No newline at end of file +[Envision](/docs/fossvr/envision/) provides a fairly low-barrier setup and development of both Monado and OpenComposite on most any modern distro. + +# Troubleshooting + +## [NVIDIA-specific] "NVIDIA: No allowlisted displays found!" + +This may be caused by a few different issues: + - NVIDIA driver misnaming the display: If you see a display simply named "NVIDIA" in the output, the NVIDIA driver may be using a fallback name. + This can be worked around by setting the environment variable `XRT_COMPOSITOR_FORCE_NVIDIA_DISPLAY="NVIDIA"`. + - HMD display missing from the list: Try replugging the trident cable. + +## "vkAcquireXlibDisplayEXT: VK_ERROR_UNKNOWN (0x000058b7a0764a80)" + - Try unplugging and replugging the trident cable. \ No newline at end of file