Panel Power On/Off; System Automatic Sleep/Hibernation - Toshiba Satellite R800 Series User Manual

Windows utilities
You can configure various settings associated with both Sleep Mode and
Hibernation Mode within the Power Options (to access it, Start -> Control
Panel -> System and Security -> Power Options).
Hot keys
You can use the FN + F3 hot key to enter Sleep Mode or FN + F4 to enter
Hibernation Mode.

Panel power on/off

You can set up your computer so that power is turned off automatically
when you close the display panel, and turned on again when you open it.
Please note that this function is only available for Sleep Mode or
Hibernation Mode, not for Shut Down Mode.
If the panel power off function is enabled, and you manually shut down
Windows, do not close the display panel until the shut down process has
been completed.

System automatic Sleep/Hibernation

This feature automatically turns off the system in Sleep or Hibernation
Mode if the computer is not used for a set duration. Refer to
features, in Chapter 4 for an explanation of how to set the duration.
User's Manual
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