Toshiba Satellite U500 User Manual page 72

Getting Started
You can also enable Sleep Mode by pressing Fn + F3. Refer to Chapter 5,
The Keyboard, for details.
n W hen the computer is shut down in Sleep Mode, the power indicator
flashes orange.
n I f you are operating the computer on battery power, you can lengthen
the operating time by turning it off into Hibernation Mode, as Sleep Mode
consumes more power.
S l ee p Mo d e lim it a tio n s
Sleep Mode will not function under the following conditions:
n Power is turned back on immediately after shutting down.
n Memory circuits are exposed to static electricity or electrical noise.
H i b ern a t i o n Mo de
The hibernation feature saves the contents of memory to the hard disk when the
computer is turned off. The next time the computer is turned on, the previous state
is restored. The hibernation feature does not save the status of peripheral devices.
n S ave your data. While entering Hibernation Mode, the computer saves
the contents of memory to the HDD. However, for safety sake, it is best to
save your data manually.
n D ata will be lost if you remove the battery or disconnect the AC adaptor
before the save is completed. Wait for the disk indicator to go out.
n D o not install or remove a memory module while the computer is in
Hibernation Mode. Data will be lost.
3-8 User 's Manual