I purchased this Monitor about a year and a half ago at Best Buy. Recently it has started doing this thing were the menu keeps popping up I have tried to lock it but this does not help as then the pad lock just continues to pop up. I tried to call customer service but got some one with a very heavy accent and they were unable to help me, they also could not tell me if my product was still under warranty as the documentation is vague on this. The manual says it can be anywhere from 1 to 2 years. Any how if any one has had this same problem or has any suggestions as how to fix it I would be much appreciative. Thank You.