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Topics created by H1ghtower

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Unsolved Updated MMM and MMM-PIR, Monitor turns on and stays black

Troubleshooting
• mmm-pir • • H1ghtower

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Hey!

Deactivate screensaver if not done yet.
That may be a cause.

How do you controll the display? Are you using a command like /opt/vc/nin/tvservice -o and /opt/vc/nin/tvservice -p or just tvservice -o?

And is the display connected via hdmi?

If that’s the case you could try the following:

In /boot/config.txt add hdmi_blanking=1 and reboot. Now try HDMI Output OFF with vcgencmd display_power 0 and HDMI Output ON with vcgencmd display_power 1 instead of the command above.

Descript here. :)