Troubles during the boot with vga2hdmi

Good day. I’m trying to run khadas through a converter on a 1280x1024 monitor
The screen displays:
out of frequency
67.5KHz 59.9Hz

Hi Krian:
Can you check that which ROM you installed on your VIM2?

Have fun!

can i check it out like not having a monitor connection?
I did not change anything after it was acquired, it will probably be easier to say that the default