Restart Laptop. Windows should start and your laptop should perform as usual. When the windows warning screen stating the windows was not shut down normally appears select the start windows normally dialog if it is not already highlighted.
Type shutdown followed by the option you wish to execute. From an open command prompt window. Swipe in from the right edge of the screen tap settings and then tap change pc settings.
On a mac the restart and shut down functions do the same thing so restart if you need to continue working right away and shut down if you are going away from the computer for a while.
From an open command prompt window. To log off your computer type shutdown l. Go to start select the power button and then select restart. The combo of keys can vary depending on the manufacturer so look this up in your system s manual before beginning the process of resetting your os.