Fyde os Unknown Display

fyde os Unknown Display resolution 1024768 i want 12801024
i am new to fyde os working fine but this issue
also same issue in chrome os
i want to add my display size
like we do in linux using xrandr
how to do it in chrome os or fydeos

Then find what model of display you have and let fyde to know with some luck they will magically find those drivers to add it to fyde.