Samsung np-q1ex User Manual page 54

Turning the computer off
1
Click the start button
2
Click Turn Off Computer.
3
Click Turn Off.
 If the computer does not shutdown due to a system error, slide the power switch
down and hold it for more than 4 seconds to forcefully turn it off.
 When turning the computer on again after it was turned off by sliding the power
switch down and holding it, the system examination program may run.
 When booting the computer after a forced shutdown, the Windows error recovery
screen may appear over a black background. In this case, select a booting mode by
turning the Wheel button and then press and hold the Wheel button for  seconds
or more to boot the system up in the selected mode.
on the taskbar.
4