Trouble with fullscreen resolution

Hello everyone ? I have a problem with fullscreen resolution . When my game started in full screen mode , I have max resolution 1176x664 . In video settings of the game I don't see HD resolution . But when the game was started with window screen or full window screen mode , I have HD resolution 1920x1080 in game and i am not allowed change resolution in video settings of the game , same resolution 1920x1080 used for my desktop . It looks like the game taking a desktop resolution . My videocard is Nvidia Gforce 660 , Intel I5 2.8 , Display Toshiba TV connected via HDMI port . Can anybody help me please who know what is this problem ?