[SOLVED] propleme with multi display

[bokhamees]

hi
i have asus pg278q 2k 144hz and samsung tv 4k 60hz and they always pen works fin together as extended monitor but lately after 1 or 2 hour of working the asus look like the picture
i try to update my gtx 1080 grafice card and change the cables didn't work help please .

 

[hang-the-9]

Could be an issue due to them running on different refresh rates. Test the monitor with the issue as the only monitor see if it ever does this on it's own. Try running them both at the same 60hz refresh rate.