My laptop kept restarting because my laptop had some kind of problem so in the advanced options I restored my laptop to the most recent available and it was restoring fine but it shut off and now when I press the power button it it won't come on I've tried the taking the battery out and pressing the button for 30 seconds thing but it doesn't work and my laptops under a year old I think it's called a Lenovo b50 with windows 8 please help I need my laptop