I have a problem after installing it and logging in my screen starts blinking and showing figures, I don’t know if it’s an installation problem or something else, I have an a8-7410 r5 Graphics
Welcome to the community! 
You probably just need to log into an X11 session — click “Plasma (Wayland)” at the bottom left of the login screen, then select “Plasma (X11/Xorg)”.
If this doesn’t work, please post the output of:
inxi -SGFxxc0z