Read the statement by Michael Teeuw here.
Black screen instead of desktop after installing PIR sensor
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@Fozi Ahh, its ok. Thanks for your help, I’ll figure something out.
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@09succotash can u ssh into the machine?
is MM running on pm2? do pm2 status, and if not stopped do pm2 stop for each line (use number or name)
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@sdetweil I cannot ssh into it. I am able to access the terminal though. MM is running on pm2, I just setup an autostart script for it. I don’t think MM is causing the issue, because the issue started just when I was setting up the PIR sensor.
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@09succotash but it can’t hurt to stop it…
if you can get to terminal, then its not a desktop problem…
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@sdetweil I could only get to terminal, by right clicking somewhere on the screen. I tried stopping MM using pm2, didn’t have any effect.
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@09succotash said in Black screen instead of desktop after installing PIR sensor:
by right clicking somewhere on the screen
ok, so desktop is running, even tho u might not be able to see it…
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@sdetweil Exactly. It seems to be running, but my wallpaper, taskbar, and icons are gone. Black screen shows in its place.
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@09succotash this is stretch or???
lsb_release -a in the terminal window
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@sdetweil This is Raspbian Stretch, yep.
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@09succotash if u right click, does the popup menu have desktop preferences?
is should -
@sdetweil This is what mine looks like. The white bar at the top of the screen is vnc viewer, not the screen. I’m using vnc viewer on my laptop.
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@09succotash ok, select Desktops or reconfigure
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@sdetweil Clicked reconfigure, nothing shows up. Clicked desktop, just shows a list of desktops. Shows 4 desktops. I’ve been through them all, shows the same black screen.
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@09succotash in the terminal window, if u run sudo raspi-config
and look at boot options…beyond that there are 1 few (hundred) posts about problems like this if u search google
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@sdetweil Boot options, and then what?
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@09succotash I might try to change desktop with login
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@sdetweil Been there, done that, didn’t work. I’ve been searching Google for this issue, and came up short. Didn’t find much results, but I will try some more searching,
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I had a similar problem when I used MMM-PIR-Sensor module. Everything had been working for about 6 months then I updated something and it stoped working. I re-installed everything several times and through a process of elimination and google searches it acmes down to this particular module.
I have now got it a working again by finding the latest update from a branched version of MMM-PIR-Sensor module.
I never did find the cause.
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I had a simmilar Problem an had to use my old Backup after investigating hours. It seems that there are Problems between versions of node and electron. Do you have a white Window shortly and then the black desktop screen?
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