power on

My HP Pavilion Laptop turned off while I was using it, and hasn't been able to turn on since (about a week). The power button goes on for a second or two before turning off, and the fans and hard drive don't start up. Charging it or plugging it in doesn't seem to have an effect. A post on...

I have a old (Lenovo E45-21 )laptop and I don't have a keyboard on it but I need to power on it to use it as a Android tv box please help me to power on it directly in motherboard.