Hello, My computer keyboard and my screen (less often) go dim once and awhile. They are already lit up and it is in a dark room. I know they come on automatically, but the problem is that they change sporadically. It is that they both drop down the the 2nd and 3rd bars. I have found that when my hands cross the speakers (where the sensors are) this causes the problem. But surely I don't have to live like this, that is working in the light or constantly fixing the brightness of the screen and the keyboard.