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VIVE not working after a few minutes

Hello Guys, I've working on two VR projects, first project is an old project from 4.15 and the second project is newer and started from 4.17. My problem is I've to close the editor and then i must quit from SteamVR application (Reset SteamVR doesn't work and if i use restart i had to reset PC) and then starting the SteamVR and then start editor again to working on projects.

I had this problem from beginning with the 4.17 project even after updating to 4.18, but this problem occurs after updating old project from 4.15 to 4.18 Both projects are in C++. I don't know where is the problem but it's very annoying and waste my time.

Product Version: UE 4.18
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asked Jan 08 '18 at 07:59 PM in VR

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avatar image Vahid Jan 09 '18 at 04:21 PM

Any help ? I've reinstalled the VIVE software and also SteamVR but problem not solved.

avatar image magnusk Apr 24 '18 at 06:03 PM

I also have this problem, in 4.17. Haven't tried 4.18.

avatar image Vahid Apr 25 '18 at 05:14 AM

Unfortunately i couldn't find any solution for this even after changing my windows and reinstall all drivers and components, but my problem is now better and i don't need to restart everything after each playing time. I think after disconnect all wires and connect them again in HMD, helped me to fix the problem a little bit better than before this rewiring. this is not a final solution but maybe help you to have better experience.

avatar image magnusk Apr 26 '18 at 09:01 AM

Thanks for following up on this. I don't have to restart after every play session. Rather it seems like if I don't start a play session for some time, then the next play session the SteamVR HMD icon flashes and won't work. Sometimes it's the Vive controllers won't track, with gray SteamVR icons in this case. Could it be that SteamVR has a timeout after which it goes to sleep, after which UE4 can't wake it up? I'll have a look in the SteamVR settings for sleep timeout or similar.

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