ok i hooked up my samsung 19" widescreen lcd monitor with a hdmi to dvi cable. and a message pops up saying "not optimum mode... reccomended mode 1440x900 60hz" how do i adjust it? can i do ith through the ps3 or will i have to hook my monitor to my comp with a dvi cable to my video card and set it with my comp? also how can i check and see what ps3 display is playing in 720p, 1080p ect? i set up the video setting in the settins and check all the boxes, but how do i know which setting its displaying in?