The problem was overlay. I think it's no clear at the description, but that was the problem 😀 overlay=opengl 😀 PD: Thanks to Robert!

Thank you!!!! I've been waiting for months 😀 The problem was overlay, the fullfixed I tried to true obviously... I think many people have the same problem, seeing at another posts... Thank you very much.

Hi guys, I post here because I'm confused if it's a bug or not, I didn't find any solution for the problem... The problem is dosbox doesn't work at fullscreen for me My configuration file, /home/user/.dosboxrc: fullscreen=true fulldouble=false fullfixed=false fullresolution=1680x1050 output=surface …