Boot on after RAM replacement. On monitor: input not supported?

Question

Iron

I replaced the RAM with a more modern one, it worked fine, after a few hours I turn it on again, and on the monitor: the input is not supported, what could it be?
Motherboard : msi mpg b550 gaming plus
Proc : ryzen 5600g
New RAM : radeon r9
Old RAM : Kingston ValueRAM [KVR26N19S8/8]

Answer 1

Radeon RAM has never been known for quality. Install the old one and check.