Getting wrong resolution on old samsung монитор

Today i connected my персональный компьютер with old samsung sync степень магистра 591s монитор and getting strange display resolution. My resolution is being set at 800x600 but still cant see my side соты. Вертикальный Well its look like sides пахал much wider than настоящий monitor's physical size. Cant see left size соты and on right side cant see power button. I tried deleting monitors. Xml file in .configure folder. Tried to reset resolution from monitor's physical button but still same strange resolution everything is being cruved at both side of display. I dont have any graphics card installed on intel персональный компьютер. Intel core i3 540 processer intel hd internal graphics. Ubuntu 15.10

Tried changing modes with xrandr still same cruvy disply. See my images

https://drive.google.com/folder/d/0B233u8HX9WFtbmFscDRuMThqZ2s/edit