hi windows 7 compitable mode

hi. when i opened poe first. i change it options to fullscreen high specitif mode . then later screen was vibrationing and i couldnt play it . game was broked . its still continuening. but i try compitable mode windows 7 . its fully working . why have i this problem . i want to play with normal mode . not the windows 7. my graphics driver is a little good. 2gb laptop . i think it was abaout graphic details. but in windows 7 fully high options is saving. and i play this game without problem . please help

hi. i found the problem. i was formatting to the pc . and last updating the driver grapichs. firstly when i opened the poe . in windowed mode. and after changes to the 1366*768 and fullscreen mode . it was a little waiting and its was small winwowed and black screen. how can i fix to the full screen 1136*768 mode while im playing this game. pls help : )