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I'm working on trying to get a P6 LED screen (connected via a NovaStar TB2 video processor). I've been playing with various options in config.txt but I can't seem to get it to display properly. This is how it comes up in default mode:

Current setup

The video processor should support 1080p according to the manual, but it's coming up subpar.

Anyone got any ideas?

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  • Never seen one before but my first question would be - does it work with a 'normal' PC plugged into the HDMI or does it need the software mentioned in the booklet to get running? I would be tempted to plug in a PC / Mac and see what it auto configures to via HDMI and via their software.
    – user130616
    Mar 10, 2021 at 19:02
  • Nothing wrong with the Pi. Just a regular Pi 3. It works just fine. This is a configuration issue really. My guess is that it has something to do with the pixel density or that I need to pass on some very custom variables to hdmi_timings in config.txt or similar.
    – vpetersson
    Mar 10, 2021 at 21:03
  • Sorry - I meant does the processor work with a PC? The guide seems more software driven than HDMI :-)
    – user130616
    Mar 10, 2021 at 21:20
  • Ah, right. Yeah, that's not possible unfortunately. The LED isn't driven by HDMI. The processing unit takes HDMI in, but the out is over an Ethernet cable.
    – vpetersson
    Mar 11, 2021 at 8:46

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I was able to make this work by manually tweaking the hdmi_timings in the end.

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