I get no signal out of my geforce 1650 on my gigabyte x570 mobo and ryzen 7. The amd fan and led and ram light up as do all Leds on the case front panel but I get no signal from the hdmi port. The hdmi cable works fine.
I just noticed the psu has a CPU cable thats not connected to anything. The reason i didnt connect it to the mobos 12V 4x2 socket is because it doesnt appear to have the same pin types. Here is the psu connector and the mobo socket: