Minh cai moi win 7 tren VGN-SZ640N, moi nguoi huong dan minh cai card man hinh voi!!! Minh khong biet may dang dung card man hinh gi, len esupport search Drivers cho may cung ko thay phan Graphic Card, trong dxdiag dang nhan la VGA Graphic Adapter, system rating 1.0 :( Xin loi, may minh chua...