Q: I have a new Lenovo Yoga 730 laptop. It is very fast compared with my old Windows 7 laptop. It boots up in matter of seconds, but on shutdown it is interrupted by a message: “Task Host Window ...

If your Lenovo laptop or desktop does not start or won’t turn on, ... Press and hold the power button to force shut it down and then turn it on. Read next: Laptop Caps lock blinking continuously.

“A shut down is a deep hibernation that ensures that your computer is not wasting energy,” Walsh says. “A restart only momentarily turns the machine off to stop all processes, clear the RAM ...