Hmm, I don't see anything wrong in the kernel logs and I have this same CPU, also with "testing". My mobo has 3 outputs and I am only using HDMI. Are you perhaps using more than one output?
Il giorno dom 8 mar 2020 alle ore 22:12 Dimitris P <qiute...@gmail.com> ha scritto: > Hello all today I got my new pc that includes AMD Ryzen 3 3200G and has > Radeon Vega 8 Graphics, there is no other GPU. I have install debian > through netistall and upgrade it to debian testing. I have installed the > firmware-amd-graphics and when I am booting I am getting a black login > prompt and not the gnome. Here are my 2 pastes from dmesg and > /var/log/X.org.0.log > https://paste.debian.net/1134031 > https://paste.debian.net/1134032 > Thank you and hope to have a solution >