Hello, I'm new to 7 and definitely not a computer expert. What I do know about is batteries. While your battery is fine, when they die, all sorts of weird things can happen. Not to the laptop but confusing it on what is really going on.
Soooo...when the battery is bad/dead, you might get strange power issues, messages and the like. If you start having problems in the future, suspect the battery. My HP laptop really came unglued a few weeks ago; battery would say it was charging, then AC power, not charging, back and forth. The blue power light would blink, etc. Turned out to be both the adapter cord end and a very dead battery. VK