Read the statement by Michael Teeuw here.
MMM-PIR-Sensor restart problem
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how can I do that?
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@trividar
pm2 stop mmcheck if it’s running
pm2 listNo instances should be running at that point. then start the MM using
npm startfrom your MagicMirror folder from a terminal running on your PI (so not via SSH) - 
Moved this part of the topic into a new thread since it has nothing to do with the module.
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If i stop with pm2 stop mm and start my MM with npm start from terminal everything works fine, but without the PIR sensor. If i connect the sensor to my pi i get the blackscreen.
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@paviro See the replay in the other topic. It seems it has something to do with the module.
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Strange no idea what could case that. Will check back…
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Thank you both for your help!
How can I disable completely the MM autostart? - 
and just to be 100% sure if its so right?

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Looks fine. The thing that I don’t understand is how connection this could lead to a seconds start of a MM instance…
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did someone find any solution for my problem? i tried to delete the PIR-Modul and reinstall… but I have the same problem;o( THX
 
