<![CDATA[Black screen after some hours]]>Hy

my mirror works fine for some hours.

suddenly a black screen with the mous appears.
the way to solve is, to restart the mm (pm2 restart mm)

as workaround i tried chromium, which is also working fine for some hours, but then it will lose the conneciton and i have to reload the page.

is there a solution for my issues?

i prefer to use the electron to view the mirror not chromium

]]>https://forum.magicmirror.builders/topic/7230/black-screen-after-some-hoursRSS for NodeFri, 12 Jun 2026 09:00:50 GMTThu, 24 May 2018 15:04:23 GMT60<![CDATA[Reply to Black screen after some hours on Fri, 31 Aug 2018 13:35:54 GMT]]>A solution, (not perfect) is to use MMM-WatchDog, it keeps an eye on your UI and quits app in case the UI crashes, combined with the PM2 process manager, MM2 will automaticly restart after a UI failure.

https://github.com/MichMich/MMM-WatchDog

]]>https://forum.magicmirror.builders/post/44006https://forum.magicmirror.builders/post/44006Fri, 31 Aug 2018 13:35:54 GMT<![CDATA[Reply to Black screen after some hours on Fri, 31 Aug 2018 06:19:55 GMT]]>how do you remove and reinstall screen saver ? can you give me commands ?

i’ve tried

sudo apt-get remove xscreensaver

but it just gives me that no xscreensaver isn’t installed.

]]>https://forum.magicmirror.builders/post/43960https://forum.magicmirror.builders/post/43960Fri, 31 Aug 2018 06:19:55 GMT<![CDATA[Reply to Black screen after some hours on Wed, 29 Aug 2018 14:59:31 GMT]]>Disabling the notification module did not change the problem. I solved it finally by going through (1) removing and (2) reinstalling screensaver and then (3) disabling screensaver again. Even though for me there is no logical explanation doing it that way, the problem has gone away.

]]>https://forum.magicmirror.builders/post/43930https://forum.magicmirror.builders/post/43930Wed, 29 Aug 2018 14:59:31 GMT<![CDATA[Reply to Black screen after some hours on Tue, 28 Aug 2018 22:50:21 GMT]]>I have exactly the same problem with my Pi 3, similar error log. After removing the notification module from my config.js and it seems to be workinkg correctly now.

]]>https://forum.magicmirror.builders/post/43900https://forum.magicmirror.builders/post/43900Tue, 28 Aug 2018 22:50:21 GMT<![CDATA[Reply to Black screen after some hours on Thu, 02 Aug 2018 00:52:21 GMT]]>@carstend - Just remove it from your config.js. Take out everything between the {...} that surrounds the notification module and save the file. Restart the MagicMirror process and you should be good to go.

]]>https://forum.magicmirror.builders/post/42900https://forum.magicmirror.builders/post/42900Thu, 02 Aug 2018 00:52:21 GMT<![CDATA[Reply to Black screen after some hours on Wed, 01 Aug 2018 16:36:00 GMT]]>Running 2.4.1 and getting the black screen after some time. Pi is still accessible and PM2 restart mm makes it work again.
How do you disable the update notification module?

]]>https://forum.magicmirror.builders/post/42886https://forum.magicmirror.builders/post/42886Wed, 01 Aug 2018 16:36:00 GMT<![CDATA[Reply to Black screen after some hours on Fri, 27 Jul 2018 04:51:22 GMT]]>I updated our mirror to 2.4.1 about 2 weeks ago… since the new software is running we don’t see black screen anymore…

]]>https://forum.magicmirror.builders/post/42696https://forum.magicmirror.builders/post/42696Fri, 27 Jul 2018 04:51:22 GMT<![CDATA[Reply to Black screen after some hours on Thu, 12 Jul 2018 04:21:50 GMT]]>For me it runs stable since removing the update module.

]]>https://forum.magicmirror.builders/post/42198https://forum.magicmirror.builders/post/42198Thu, 12 Jul 2018 04:21:50 GMT<![CDATA[Reply to Black screen after some hours on Mon, 02 Jul 2018 07:38:15 GMT]]>I’ve already disabled the update notification module, nothing has changed.

]]>https://forum.magicmirror.builders/post/41083https://forum.magicmirror.builders/post/41083Mon, 02 Jul 2018 07:38:15 GMT<![CDATA[Reply to Black screen after some hours on Thu, 28 Jun 2018 16:29:49 GMT]]>@rak
I’ll give it a try and remove the update module. But it will take some more days since I’m traveling over the weekend…

]]>https://forum.magicmirror.builders/post/40930https://forum.magicmirror.builders/post/40930Thu, 28 Jun 2018 16:29:49 GMT<![CDATA[Reply to Black screen after some hours on Wed, 27 Jun 2018 21:16:25 GMT]]>3rd day. No black screen anymore. I think we identified the root cause.

]]>https://forum.magicmirror.builders/post/40901https://forum.magicmirror.builders/post/40901Wed, 27 Jun 2018 21:16:25 GMT<![CDATA[Reply to Black screen after some hours on Mon, 25 Jun 2018 14:23:58 GMT]]>Same here. I turned down the updatenotification module. See if this helps. Will keep you posted.

]]>https://forum.magicmirror.builders/post/40818https://forum.magicmirror.builders/post/40818Mon, 25 Jun 2018 14:23:58 GMT<![CDATA[Reply to Black screen after some hours on Mon, 25 Jun 2018 09:00:31 GMT]]>Same behavior on RPI3, black screen after few hours, I’ve tried almost all version of electron described on the linked thread, no workaround found.

]]>https://forum.magicmirror.builders/post/40816https://forum.magicmirror.builders/post/40816Mon, 25 Jun 2018 09:00:31 GMT<![CDATA[Reply to Black screen after some hours on Mon, 25 Jun 2018 07:11:11 GMT]]>Same Problem here. New MagicMirror Setup with a Raspberry Pi 2 and USB-Wifi.
The Error Message is similar. It seems to lost the Internet Connection and the screen goes blank/black.
No Solution so far.

]]>https://forum.magicmirror.builders/post/40799https://forum.magicmirror.builders/post/40799Mon, 25 Jun 2018 07:11:11 GMT<![CDATA[Reply to Black screen after some hours on Thu, 21 Jun 2018 19:36:55 GMT]]>Hi all,

I’m facing exactly the same problem on my RPi3. The screen is all black and shows only the mouse arrow. I can access the MMM-RemoteControl from a separate notebook or mobile and it is possible to remotely restart the MM software to bring everything back to normal.
With a connect mouse you can move the mouse pointer but still there is a black screen. below please find the result after typing pm2 log mm

/home/pi/.pm2/logs/mm-error-0.log last 15 lines:
0|mm       |     at emitTwo (events.js:106:13)
0|mm       |     at ChildProcess.emit (events.js:191:7)
0|mm       |     at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)
0|mm       | TypeError: Cannot read property 'hash' of null
0|mm       |     at /home/pi/MagicMirror/modules/default/updatenotification/node_helper.js:68:31
0|mm       |     at Git. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1482:10)
0|mm       |     at done (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1354:21)
0|mm       |     at ChildProcess. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1379:16)
0|mm       |     at emitTwo (events.js:106:13)
0|mm       |     at ChildProcess.emit (events.js:191:7)
0|mm       |     at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)
0|mm       | fatal: unable to access 'https://github.com/jclarke0000/MMM-MyWeather.git/': Operation timed out after 300010 milliseconds with 0 out of 0 bytes received
0|mm       | 
0|mm       | fatal: unable to access 'https://github.com/raywo/MMM-PublicTransportHafas.git/': Operation timed out after 300039 milliseconds with 0 out of 0 bytes received
0|mm       | 

0|mm       | Whoops! There was an uncaught exception...
0|mm       | TypeError: Cannot read property 'hash' of null
0|mm       |     at /home/pi/MagicMirror/modules/default/updatenotification/node_helper.js:68:31
0|mm       |     at Git. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1482:10)
0|mm       |     at done (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1354:21)
0|mm       |     at ChildProcess. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1379:16)
0|mm       |     at emitTwo (events.js:106:13)
0|mm       |     at ChildProcess.emit (events.js:191:7)
0|mm       |     at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)
0|mm       | MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
0|mm       | If you think this really is an issue, please open an issue on GitHub: https://github.com/MichMich/MagicMirror/issues
0|mm       | Whoops! There was an uncaught exception...
0|mm       | MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
0|mm       | If you think this really is an issue, please open an issue on GitHub: https://github.com/MichMich/MagicMirror/issues
0|mm       | TypeError: Cannot read property 'hash' of null
0|mm       |     at /home/pi/MagicMirror/modules/default/updatenotification/node_helper.js:68:31
0|mm       |     at Git. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1482:10)
0|mm       |     at done (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1354:21)
0|mm       |     at ChildProcess. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1379:16)
0|mm       |     at emitTwo (events.js:106:13)
0|mm       |     at ChildProcess.emit (events.js:191:7)
0|mm       |     at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)
0|mm       | Whoops! There was an uncaught exception...
0|mm       | MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
0|mm       | If you think this really is an issue, please open an issue on GitHub: https://github.com/MichMich/MagicMirror/issues
0|mm       | TypeError: Cannot read property 'hash' of null
0|mm       |     at /home/pi/MagicMirror/modules/default/updatenotification/node_helper.js:68:31
0|mm       |     at Git. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1482:10)
0|mm       |     at done (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1354:21)
0|mm       |     at ChildProcess. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1379:16)
0|mm       |     at emitTwo (events.js:106:13)
0|mm       |     at ChildProcess.emit (events.js:191:7)
0|mm       |     at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)
0|mm       | Whoops! There was an uncaught exception...
0|mm       | TypeError: Cannot read property 'hash' of null
0|mm       |     at /home/pi/MagicMirror/modules/default/updatenotification/node_helper.js:68:31
0|mm       |     at Git. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1482:10)
0|mm       |     at done (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1354:21)
0|mm       |     at ChildProcess. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1379:16)
0|mm       |     at emitTwo (events.js:106:13)
0|mm       |     at ChildProcess.emit (events.js:191:7)
0|mm       |     at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)
0|mm       | MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
0|mm       | If you think this really is an issue, please open an issue on GitHub: https://github.com/MichMich/MagicMirror/issues
0|mm       | Whoops! There was an uncaught exception...
0|mm       | MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
0|mm       | If you think this really is an issue, please open an issue on GitHub: https://github.com/MichMich/MagicMirror/issues
0|mm       | TypeError: Cannot read property 'hash' of null
0|mm       |     at /home/pi/MagicMirror/modules/default/updatenotification/node_helper.js:68:31
0|mm       |     at Git. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1482:10)
0|mm       |     at done (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1354:21)
0|mm       |     at ChildProcess. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1379:16)
0|mm       |     at emitTwo (events.js:106:13)
0|mm       |     at ChildProcess.emit (events.js:191:7)
0|mm       |     at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)
0|mm       | Whoops! There was an uncaught exception...
0|mm       | MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
0|mm       | If you think this really is an issue, please open an issue on GitHub: https://github.com/MichMich/MagicMirror/issues
0|mm       | TypeError: Cannot read property 'hash' of null
0|mm       |     at /home/pi/MagicMirror/modules/default/updatenotification/node_helper.js:68:31
0|mm       |     at Git. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1482:10)
0|mm       |     at done (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1354:21)
0|mm       |     at ChildProcess. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1379:16)
0|mm       |     at emitTwo (events.js:106:13)
0|mm       |     at ChildProcess.emit (events.js:191:7)
0|mm       |     at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)
0|mm       | Whoops! There was an uncaught exception...
0|mm       | MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
0|mm       | If you think this really is an issue, please open an issue on GitHub: https://github.com/MichMich/MagicMirror/issues
0|mm       | TypeError: Cannot read property 'hash' of null
0|mm       |     at /home/pi/MagicMirror/modules/default/updatenotification/node_helper.js:68:31
0|mm       |     at Git. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1482:10)
0|mm       |     at done (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1354:21)
0|mm       |     at ChildProcess. (/home/pi/MagicMirror/node_modules/simple-git/src/git.js:1379:16)
0|mm       |     at emitTwo (events.js:106:13)
0|mm       |     at ChildProcess.emit (events.js:191:7)
0|mm       |     at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)

in the log is written… Maybe no Internet connection? but this is definitely not true…

Anybody an idea why this happens?

]]>https://forum.magicmirror.builders/post/40735https://forum.magicmirror.builders/post/40735Thu, 21 Jun 2018 19:36:55 GMT<![CDATA[Reply to Black screen after some hours on Thu, 24 May 2018 21:22:32 GMT]]>@fidst Try to execute pm2 log mm. This will give you the log of the MacigMirror Instance. Post the log here if the black screen occures. (You may check for any sensible information from other modules)

]]>https://forum.magicmirror.builders/post/39815https://forum.magicmirror.builders/post/39815Thu, 24 May 2018 21:22:32 GMT<![CDATA[Reply to Black screen after some hours on Thu, 24 May 2018 17:19:43 GMT]]>Link to the reddit post if anyone is interested:
https://redd.it/8lsf6b

]]>https://forum.magicmirror.builders/post/39799https://forum.magicmirror.builders/post/39799Thu, 24 May 2018 17:19:43 GMT<![CDATA[Reply to Black screen after some hours on Thu, 24 May 2018 15:18:45 GMT]]>I have been experiencing this for a week. I just made a reddit post about this too.

  • redid my config.js
  • reinstalled magicmirror
  • reimaged my pi and started from scratch
  • no errors that I can find

This does not seem to be screensaver related, as I can still move my mouse and it shows.

I run a pm2 restart mm command via ssh and it restarts just fine.

Any ideas?

]]>https://forum.magicmirror.builders/post/39791https://forum.magicmirror.builders/post/39791Thu, 24 May 2018 15:18:45 GMT