Suddenly, today, the battery charge icon (Windows 7 laptop) has a red X indicating as if I had physically detached the battery. Afterward, I tried actually detaching it and then putting it back in, but no change.
My question is, is it possible that a low or dead battery can be sensed as a detached battery? I don't want to go buy a new battery and have it do the same thing if there is something wrong with the connection/connectors rather than the battery. (Is there a way to find out for sure?)