Hibernation Mode; Starting Hibernation Mode - Toshiba portege z20t-b User Manual

Sleep Mode limitations
Sleep Mode will not function under the following conditions:

Hibernation Mode

The Hibernation Mode feature saves the contents of memory to the internal
storage when the computer is turned off so that, the next time it is turned
on, the previous state is restored. Note that the Hibernation Mode feature
does not save the status of any peripheral devices connected to the
computer.
Benefits of Hibernation Mode
The Hibernation Mode feature provides the following benefits:

Starting Hibernation Mode

To enter Hibernation Mode, click Start -> Power and then select
Hibernate.
To show Hibernate in Power menu, set up according to the following
steps:
User's Manual
If you are operating the computer on battery power, you can lengthen
the overall operating time by turning it off into Hibernation Mode. Sleep
Mode consumes more power while the computer is off.
Power is turned back on immediately after shutting down.
Memory circuits are exposed to static electricity or electrical noise.
Save your data. While entering Hibernation Mode, the computer saves
the contents of memory to the internal storage. However, for safety
sake, it is best to save your data manually.
Data will be lost if you disconnect the AC adaptor before the save is
completed.
To prevent data loss, do not switch to Hibernation Mode while
transferring data to external media, such as USB devices, memory
media, or other external memory devices.
Saves data to the internal storage when the computer automatically
shuts down because of a low battery condition.
You can return to your previous working environment immediately
when you turn on the computer.
Saves power by shutting down the system when the computer
receives no input or hardware access for the time period set by the
System Hibernate feature.
Allows the use of the panel power off feature.
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