Hello, I have a 5 yr. old gateway M-series laptop,and there`s a Ain a lock at the bttom f the laptop. Also the screen wont come on. Don`t know what to do.Can you help?
If it lights up and the fans spin, the Fn + Display button combination may have been used by accident, try hitting those two buttons at the same time to switch the display back to the laptop's monitor
the display button is two lines with a rounded box in the middle, resembling a screen