After update raspberry pi won't completely reboot without hdmi screen attached

Just ran the auto-update and after update the server did not come back. Cannot ping or ssh, etc.  Pull power, plug in hdmi screen to see what is going on and it comes right up.  shutdown, remove screen and start it back up and ... same thing, no ping, no ssh, no webpage.


  • managed to get that working by going in and disabling the GL driver (raspi-config ---> advanced options )after reading some other forum posts.  not sure how it got enabled as all I have done is put the image on the card and boot.
  • Strange. Why should it matter if screen is connected for opengl? I mean it computes internally. But good to know.
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