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2 votes

No HDMI video after boot sequence

This might be the most stupid answer, but I wasted 3 days with troubleshooting just to find the following solution: If your Raspberry Pi is in a case, make sure that it's screwed in correctly and that ...
user149888's user avatar
2 votes

Screen resultion when using VNC / headless

Installing a HMDI screen emulator dongle in my Raspberry Pi 3B+ worked perfectly for me. No software fiddles required. I can run the Pi headless and have a 1920x1080 resolution over VNC.
Conrad's user avatar
  • 21
1 vote

Raspberry Pi 5 to LG UltraFine 4K Monitor via USB-C: No Display

Welcome. Have you tried using this cable to plug any other device into the monitor?1 Pretty sure Lee-xp 's point is correct (also sure we've seen exactly this issue here before). If you search ...
goldilocks's user avatar
  • 59.4k
1 vote

Operation of GPIO pin affected by which HDMI moniotor I use

Full Disclosure: I have no idea what's causing the issues you're seeing. You've not given much (useful) detail, but that's understandable. However, I'll try to offer some resources to help you get ...
Seamus's user avatar
  • 22.4k
1 vote

Turn off hdmi RPI 4B bookworm

As you're no doubt aware, Wayland is new. In LinuxWorld, new often equates to poorly documented. I wonder if you might have better luck using the older, but better-documented graphics system: X?? I ...
Seamus's user avatar
  • 22.4k
1 vote

Raspberry Pi HDMI black screen (SSH works fine)

I had the same "black screen" problem after startup and commenting out the "dtoverlay=vc4-kms-v3d" line in config.txt helped initially, but lacks access to full raspberry pi vc4 ...
user238645's user avatar

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