polpetta

First sorry for my English (i'm italian) there is a line in the middle of some video NOT the entire screen (i thinks it depends on the video format) -gpu AMD r9 270x -cpu i5 6400 -mb msi b150m i already had this problem 3/4 years ago but i fixed it changing some random stuff in the GPU setting and now updating the driver reset the setting. small video with the problem vid.mp4