External monitor suddenly stop working

[vitoindelicato]

What Happened

when I plug my HDMI cable nothing happen.

Expected Behavior

I was expecting my external monitor to turns on.

Steps to Reproduce

Unfortunately I don't know how to reproduce the bug.
All I can say is that it happened twice, the first time I solved with reinstalling lightdm, and after that it worked fine for several weeks.

Today this happened for the second time, suddenly, with nothing special I did on my laptop.
I tried pretty much everything, but no solution is working

Logs

No logs available.

Platform Information

I'm using EOS Latest Release installed on 512gb SSD.
Using intel integrated gpu (even switching to nvidia gpu nothing change)