Yes, an incompatibility could mean the system fails to display any video output.
Yes, an incompatibility could mean the system fails to display any video output.
Are you checking slots 2 and 4 for RAM? Have you attempted to reset the CMOS? The Ryzen 5 1600AF is relatively new, but if your motherboard is older, it may lack the appropriate BIOS for this processor.
I believe you mean connecting the monitor to the GPU, not the motherboard.
Inspect your power cables, focusing on the CPU power and 24-pin connector. Verify that the 24 pin has a 20+4 rating, and confirm the +4 terminal is secured by the 20 pin, which features small tabs.
Attempted both methods and got identical outcome: black screen, fans running, LEDs flashing.
When it first starts up, it may need a moment to set up the RAM. Leave it on for 10 to 15 minutes.
It seems like you're experiencing an issue with video output. You might want to check if the build is functioning properly or try using a different cable. If the fans are running and the device isn't turning off completely, it could indicate it's still active.