Remove the cord and battery. Then, either hold the power button in for 30 seconds or just let the laptop sit there for about an hour.

I think there's a capacitor that needs drained. But, I know when mine has locked like your's holding the power button did the trick.

Never mind, I just saw it included in Legacy

Just wondering. I see a ton of them during my workday, all over the place.

I even have one myself.