I am trying hard to help the user, but he is not being very helpful in providing screen shots and diagnostic info.

He has posted a screen shot of the output from:
Code:
//echo -ac Normal width $window(-1).w height $window(-1).h / dbuw $dbuw dbuh $dbuh

and it is:
Quote:
width 2560 height 1920 / dbuw 2.5 dbuh 2.5


By comparison, on my laptop the results are:
Quote:
width 1920 height 1080 / dbuw 2 dbuh 2


So the values for dbuw/dbuh look OK.

Here is what they look like:
4K
[img]https://ibb.co/hhpxPe[/img]
Normal
[img]https://ibb.co/iDsvAK[/img]