Hi, and thank you for your question. My name is ***** ***** I'll be assisting you today.
First off, please press and HOLD down the Power button for atleast 30 seconds (continue holding even after the screen has turned off), and then release the button.
Next, press the Power button one more time to turn the laptop back on - does it boot into Windows all right now?
Please reply back using the box below; I'll be here.