Raspberry Pi 4 not displaying a picture after reconnecting to a monitor?

Question

HDMI

There is a fully working Rpi 4 for 2 GB. After I plug and plug the cable into the RPI monitor, it stops producing a picture (vnc works). How to fix it?

Answer 1

You need to enable force hdmi in boot / config.txt, otherwise, after turning off the monitor, Xorg will fall and not start again.

Answer 2

If everything is exactly working, switch in the menu item on the monitor, sometimes it reads from the wrong output, hdmi / vga / dvi modes