[I m J James]

So I had my phone charging on AC, and when I went to pick it up and disconnect the charger the screen wouldnt turn on. Tried holding the power button nothing, when I opened the keyboard the lights on the keyboard turned on for a few seconds than off. Plugged the charger back on and tried turning it on nothing....

So I took the battery out and put it back in and now its working. Wonder what caused it? I havent dropped my phone anytime this past month.