Resolution choosed, do not sync

[Psychodeus]

It says 1080 x 1920 but the monitor only did 1280 x 1024. I'm using monitor AOC 2279W.

[waydabber]

I am not sure about the display. Does this happen at 60Hz as well? Does the desktop look 1920x1080? but rescaled to 1280x1024? Or simply nothing happens on an attempted mode change (which might happen on Intel iGPU Macs mostly)?

[Psychodeus]

Sorry for late reply.
When I choose the 1920x1080 75Hz 10bit, the screen shrink to 1280x1024 75Hz.
For the default 1920x1080 60Hz 10bit is fine, no stretch or shrink.
I'm using M1 for the chip.

[waydabber]

Yeah, the non-standard 75Hz mode line might be erroneously reported by the system.