"Only thing that I concern is screen resolution because screen is only
recognized as 3200x1800"
That seems like a extremely large screen resolution is it not?
what do you normally have?
"Is it possible for me to find their alternatives in Trisquel?"
The chances are yes if you give us a list of the non-free programs you use we
can try and find alternatives for you.
"Because of I haven't use Trisquel yet, I don't know its capabilities, can
someone compare Trisquel with Ubuntu. I know Trisquel is based on Ubuntu."
its very similar but the best way to know is to try it yourself with the Live
CD so you don’t have to install it.
