I have a Gateway MS2274 laptop running Windows 7 Home Premium. If I open a Word document or any program and enter data all works well. It I open a web page the top row of number keys will give me the previous character that was entered. In other words, if I go to my Facebook page and I want to type something like "BR549" I will get "BRRRR." I do have a numeric keypad that works as it should but I would like to get this entire keyboard working properly. Please advise.