It ranges between 10 to 30 minutes. It is attached to a TV via HDMI. The monitor will go black. Moving the mouse of tapping the keyboard of the Raspberry Pi will "wake up" the screen pretty quickly.

It is running Raspbian OS as a standard image. The resolution is set to CEA mode 32 1920x1080p.

How do I stop it going to sleep? It is for a monitoring dashboard which would ideally run without interference :-)

  • Nice, snarky response, but sure, I added the question which you (hopefully) already realized what was :-) – cbll Oct 9 '18 at 7:02
  • sorry about that, we get too many like that .... you know the kind "how come it is dark every time the power goes out" ... lol – jsotola Oct 9 '18 at 7:09
  • No worries. I guess there's a small concern of variance here too. It doesn't go black after X minutes, it seems to vary between 10-30 minutes mostly, and yesterday, perhaps 1-2 hours. It's fairly weird. – cbll Oct 9 '18 at 7:11
  • found this raspberrypi.stackexchange.com/questions/2059/… ....... also, your monitor may have a built in screen saver – jsotola Oct 9 '18 at 7:12
  • The first answer there worked, it would appear! Thank you. – cbll Oct 9 '18 at 7:44

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