My Lenovo Flex 2 15 is about six weeks old. On occasion I will sign on, the system will boot up then after a few seconds the screen will shrink to half size on the left side of the screen then I will get a blank screen followed immediately by the start up screen. I will log in again and everything could be all right or it could take 3 more tries. The McAfee virus scan found no issues and the free version of Glary Utiities came back okay. Is this a virus issue or a Lenovo issue?