Few days ago I manage to have 1366x768 resolution option in my Ubuntu 12.04 (nvidia x driver), but the screen (fiscal) and the option resolution in the system settings under monitor, doesn't match each other, I have chosen 1366x768 as the option, but seems that in the screen its just show 1280x768 this is the image :
On the right hand side is nvidia x setting and the left is monitor resolution. Should both be on the same setting or doesn't it matter?
Should I only focus on the setting that is reflecting in Ubuntu 12.04 by the system setting monitor?
What about the refresh rate, does that play a role to improve the viewing and my driver for my graphics?