Sounds like a Lenovo. Unplug the power cord and any other cord. Hold down the power button for 1 minute or more and then plug back in the power cord and try turning it on again. Also see if there is a reset button on the laptop, it would be the size of a small pin, press it for a minute to also...
Hrmmm, I've recently found the love of my life, and I do want to get married to her. I don't foresee myself regretting it, but one never knows in life.