Darn. I moved it and it died.

The orange battery light would flash, not the green one.

But that's a side note.
Not a second ago I tried holding the power button down for six seconds, and after about two, it turned on, and...

We have a Toshiba and it did the same thing. It won't turn on, and the green battery light flashes a second or two after the power button has been pressed. It's been like that for a while.