Panel Power On/Off; System Auto Off - Toshiba Portege M780 User Manual

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 Boot 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 Auto Off

This feature turns the system off automatically if it is not used for a set
period of time, and can be configured for both Sleep Mode or Hibernation
Mode.
User's Manual
Power and Power-Up Modes
6-19