How to enable Retina Scaling Dialog

[tabarus]

Hi,
I have a Samsung Ultrawidescreen 32:9 5120x1440.
Is there a way to enable this scaling diaklog somehow ?

 

[macSteve83]

Hi,
I have a Samsung Ultrawidescreen 32:9 51200x1440.
Is there a way to enable this scaling diaklog somehow ?

View attachment 507065

Hold shift and you’ll see the scaled resolution

 

[tabarus]

Hold shift and you’ll see the scaled resolution

Yeah I know, but how to show that dialog above ?