plzz. help me in geting my native resolution 1366x768. i only get 1280x720..

i've used switch resX which gives me a blur screen in some areas... very hard wen reding forums...

plzz any help would please me... thank u !!!!!!

iDeneb 1.3
core2 duo e7200 2.53
3 gb ram
320GB
AOC 16" widescreen