Thank you all for your answers.
Checksum of image I think is not the problem, I “burnt” it with Etcher, I use 2 different USB drives and also 5 different Linux distros. However, I check the checksum for manjaro iso and its OK. I will take a look to Ventoy.
Yeah, about ChatGPT, I was trying in my despair to find the problem. Since the beginning I am thinking about buying a new mobo, because problem maybe comes with my own one, not the model, just my motherboard, it is a very strange problem.
I can’t reach a terminal where to perform dmesg, inxi or anything to get any clue about what is happening, I also try the steps at this guide reach minimal system without luck.