I’m not sure what happened and now I no longer see the chaperone in VR. This seems to be because Pimax considers my setup to be standing only. When I go through the Pimax room setup, there’s no option to choose room-scale as you can with the SteamVR app (where I’ve gone through and set up for room-scale). Despite going through room-scale setup with SteamVR the Pimax still shows no chaperone (can only see the round floor marking).
I have this exact issue too and might be also why my reset centre button doesn’t work in project cars.
Any of you wise pimax masters here can help us with this? 
Im also having issues like this, i tried rerunning the pimax room settings and it set my steam setup to standing only, when i then redid the steamvr roomscale setup my chaperone was turned a bit away from the real world.
Removed my steam\config\chaperone_info.vrchap and then redid the steamvr roomscale setup to fix the odd offset.
Resetting my position isnt working in Elite: Dangerous and Bigscreen, havnt tried pcars.
Will experimenting with an older version of Pitool and some other stuff, will report back
Downgrading to pitool 111 did not help, neither did opting into the steam beta.
Could you guys try and see if you have the same issue with not being able to reset position in Bigscreen? Its free and if its reproducible it might give the devs some clue as to why this happens.
please add if you are using lighthouse or not
“recenter” seem to imply you dont have/use lighthouse
chaperone does work for me after roomsetup in pitool and after that running room setup from steam vr
I’ve got 2 light houses.
This might also be why some animations from Google spotlight don’t work. I found on a few of them that looking directly below me I could see a “window” slit of the video in slight 3d below me. Was very weird.
If you want chaparone do roomsetup in steam vr.
I mentioned that I had done the room scale setup in SteamVR, but that it didn’t help. I recall reading somewhere that SteamVR defers to the particular hardware to specify if room-scale is supported. So, it looks like Pimax is somehow not reporting that capability.
Im upgrading from a vive so i have lighthouses and vive wands.
Ive done the room setup in pitool and after that the steamvr roomscale setup.
Roomscale games work as expected, i can move around and everything is fine.
Games that have fixed positioning play as expected with the exception that the view position is wrong and cant be recentered.
I can give the “recenter” command ingame (tested Elite Dangerous and Bigscreen) but they always set it to the same position, like they perceiving the HMD as always being in a specific position and direction.
Hitting the “reset seated position” in steamvr does not affect this.
For me i had to do steamvr roomsetup after i tested pitools roomsetup to get back chaparone, guess you can also check in steam with home button and there see chaparone settings, or is it in open advanced settings.
Yeah, games work fine for me as well, except that I don’t see the chaperone when approaching boundaries, which is a real pain.
Chaperone shows up as expected on this end.
thats “normal”, was already reported for the latest “PiToolSetup_121_R211_beta”, also google earth vr does not work
with the beta .111/.112 it should work
I did do the SteamVR room-scale setup after the Pimax one, but as I mentioned it doesn’t bring back the chaperone. When I go to “Chaperone” settings in the SteamVR overlay, in the dropdown where there are supposed to be multiple styles of chaperone there is only one entry, “Beginner”.
Thanks. I think I recall you saying that but thought this might be related. Probably not.
Hopefully there’s a simple solution for this as I too tried to set up again in steam afterwards as room setup but didn’t help.
i had “lost” chaperon a while ago (or it never did work after initial setup - had other problems with the pimax that occupied my mind) and after redoing the whole setup (pitool and steamvr roomscale) it was back again and works since then for weeks
You could try installing the openvr advanced settings addon, it gives more in depth control over chaperone settings than the settings visible in steamvr itself.
https://www.reddit.com/r/SteamVR/comments/bezv2e/advanced_settings_310_desktop_overlay_adjustment/
I use its space moving features (basically climbey movement in anything roomscale) and space turning (manual redirected walking).
EDIT: THE PLAY SPACE MOVING&TURNING WORKS IN FIXED SEATED POSITION GAMES NOW!
If the regular “reset position” is broken, this allows you to manually move yourself to where you want to be!
EDIT2: seems the position reseting now works for me in both elite and bigscreen, do you others that have this issue use advanced settings?
Maybe the previous version is what broke “reset position”, anyways, now stuff works and im happy 
This version includes settings for the steam desktop overlay, options to change its size an positioning, great IMO since ive previously changed this via jsons, having it changeable via sliders in a UI is great.
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I had AdvanceSettings 3.0.1 already installed and looking at the fixes in 3.1.0 it looks like there was a bug in the version I had WRT room-scale chaperone settings being applied. Thanks for the heads-up on the new version. Installed, re-ran room-scale and now I’ve the chaperone back.
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Awesome. Will try this here too. Thanks!
Just to say…
upgrading to open vr advanced settings 3.0.1 fixed it. I had to redo room scale in vr but all good now thanks