Toshiba R950 User Manual page 27

If you need to restart the computer, there are three ways this can be
achieved:
User's Manual
An error occurs and the computer does not respond to your keyboard
commands.
Click Start, point to the arrow icon (
from the menu.
Press CTRL, ALT and DEL simultaneously (once) to display the menu
window, then select Restart from the Shut down options.
Press the power button and hold it down for five seconds. Once the
computer has turned itself off, wait between ten and fifteen seconds
before turning the power on again by pressing the power button.
) and then select Restart
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