Troubleshooting • Re: No HDMI from Pi 4B

I see that the diagnostic screen posted earlier shows EDID=ok
Have you tried (on Bookworm with desktop) editing sudo nano /boot/firmware/cmdline.txt
Add this at the end of the line

Code:

video=HDMI-A-1:1920x1080M@60

and add this line by editing /boot/firmware/config.txt

Code:

hdmi_force_hotplug=1 

Have you got a different monitor/TV you could try?

Statistics: Posted by timmy32 — Sat Jul 26, 2025 12:15 pm