Posted 03 December 2010 - 04:32 PM
Yea, those switches are known to go out pretty easily.
I had an HP laptop with one of those, fortunately, my switch broke while it was in the "ON" position so it wasn't really a problem.
Although I've never tried fixing one, from what I understand it's not a difficult fix. The switch usually just gets dislocated from it's track or the connection comes loose.
Laptops are a pain to try and fix. I've never taken a laptop apart for anything but to scrap parts because it was broken.
You probably have all the latest drivers and whatnot. I'm willing to bet that the physical switch itself has become defunct!
Here's how you know: Is the switch, which used to distinctly "click" into an on or off position, now sliding back and forth along it's track without ever "clicking" into place?
If the answer to this question is yes, then the switch has become dislocated from it's track and simply needs to be reseated. However, this will of course require disassembly and also require you to somewhat know what you are doing.