Cau hinh man hinh ve dung do phan gia
cuoi cung cung tim ra huong da de cau hinh do phan giai man hinh ngoai: http://askubuntu.com/questions/377937/how-to-set-a-custom-resolution
cuoi cung cung tim ra huong da de cau hinh do phan giai man hinh ngoai: http://askubuntu.com/questions/377937/how-to-set-a-custom-resolution