737 with 4k full resolution screen not clickable

Question

on the defult 737 , in ZIBO  and IXEG i can't click on many buttons (like the APU starter or the MCP's altitude)
i'm using 4k resolution in full screen mode.
when i'm switching to window mode the problem disappears.
I cannot perform push/pull or drag with mouse.
also opening the fuel cutoff's and ALT MCP not clickable.
any help ?
i've the gtx1080 with i7-7700
16 giga ram
latest X-plane 11 version

Answer 1

I have a 5k monitor and don't have any problems like you describe. Try removing any add ons in case they are interfering. Does using a different resolution help, either in X-Plane or in your computer settings?