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Vive compositor red1/5/2023 ![]() Make sure your HMD cable is connected to the main graphic card. Go to SteamVR>Settings>developer scroll down to choose "Remove all SteamVR USB devices". When this mode is enabled, you should only see VR content in the HMD not your desktop. Direct mode ensures that your HMD is not recognised as a monitor. Go to SteamVR > Settings > developer> choose 'enable direct mode' and restart SteamVR. Here you can manually select SteamVR to set card to NVidia too. ![]() Go to Nvidia control panel > Manage 3D settings > select 'High-performance NVidia processor' under Global Settings to make Nvidia the preferred graphics processor. Normally it's under something like: C:\Program Files (x86)\Steam\logs. Vive compositor red update#Update firmware, controllers, base stations, HMD, if any.Ĭheck your log to get an idea where the problem might be. Vive compositor red drivers#Update GeForce drivers via official website instead of asking Windows 10 to search for online updates. file path names) I do not remember too accurately. I should note here the suggestions are where I think the problem would be coming from so I would urge anyone to think first before copy and paste. Without turning this post into a whining rampage about the compositor grief, I summarised my iteration process below. So it's kinda important as in"no compositor, no more vr." My basic understanding is that compositor relates to the implementation of Inter-process communication (IPC) which in short is an overarching mechanism allowing various 3rd party apps to overlay, integrate, talk and basically, work together smoothly. The "Launch compositor (400)" link below did not not work nor led me to anywhere helpful. Should be dead simple right? Noooo, I was left with the endless nightmare of the dreaded little red error message "Compositor is unavailable". It first started when I tried to project my VR game onto a bigger monitor instead of the laptop screen only. In a nutshell, I think this error relates multi-screen display. Hope it helps someone who faces similar issue again more recently. ![]() The only way I could pay back that kindness is to write down what I think it is and how I solved it in the end. It persisted on me over two days, so I researched many older posts with help from very kind friends too. So this compositor error (400) popped up for a lot of people. ![]()
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