Cant to connect to HDMI to see bios

[dogguythefifth]

I need help. I want to completely uninstall proxmox as I have switched ISPs and now I can’t even get my new IP for the server so I want to start over, as I do not have any important stuff on my server. However. It won't output a signal when I plug my HDMI into the motherboard and a monitor. I need to access the bios but There’s no HDMI display. I’ve tried 2 other monitors, my TV, and 3 different HDMI cables. The server runs fine and I can open the web ui on my old WiFi like normal.. how do ai get the HDMI to work?!? I’ve done 2 CMOS resets, removed the GPU, and tried using it without it. Still won’t work…

 

[gfngfn256]

So if I understand you correctly; starting with the server powered-off & connected to a monitor via HDMI ( plus keyb & mouse) when you then power it on - you get no output to the screen - even while booting. (Monitor displays a no-connection signal?).
If this is the case (& you have tested different cables/monitors) - I would suspect that your onboard port connector is broken. But then even with another GPU you seem to get the same zero-output. Something doesn't add up here.

The server runs fine and I can open the web ui on my old WiFi like normal

With the new ISP? So why can't you then enter the Shell from the GUI & note the IP or make changes from there?