A+ Pop Quiz: I lost. Again.Your laptop has stopped responding to any keyboard or mouse input, and the screen does not show any activity. The battery in your laptop is not removable. Which of these would be the best next troubleshooting step? A) Connect a power source to your laptop B) Insert the Windows installation media into your DVD-ROM reader C) Let the battery discharge, connect to a power source, and restart D) Wait for the watchdog service to automatically restart the system E) Hold down the power button until the device restarts F) Dance off!