@sdetweil said in electron:837): Gtk-WARNING **: cannot open display: 0::

export DISPLAY=:0

It return same error

(electron:1493): Gtk-WARNING **: cannot open display: :0

And I can run startx to show the desktop screen on the monitor. only npm start is not work.

when run DISPLAY=0:0 npm start, i meet such error.

root@raspberrypi:~/MagicMirror # DISPLAY=0:0 npm start

> magicmirror@2.8.0 start /root/MagicMirror
> sh run-start.sh


(electron:837): Gtk-WARNING **: cannot open display: 0:0
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! magicmirror@2.8.0 start: `sh run-start.sh`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the magicmirror@2.8.0 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2019-08-01T14_29_27_057Z-debug.log

I have update the raspi-config to start with command line and text boot.
But error still here.
Any one can help me???