Getting Started7If the computer has not turned off properly due to a system error, press++. When [Windows Task Manager] dialog box appears,clickShut Down > Turn Offto turn off the computer. Your unsaved work maybe lost/damaged.If++keys do not operate either, press the power buttonfor more than 4 seconds to turn off the computer. Your unsaved work may belost/damaged. The next time you turn on your computer, a hard disk check willbe performed, before Windows starts.