4–6 Power
Default power settings
Allow the system 
to initiate 
hibernation (with 
hibernation 
enabled).
No action required. If the 
computer is running on battery 
power, the system initiates 
hibernation
■ After 30 minutes of computer 
inactivity.
■ When the battery pack(s) 
reach a critical low-battery 
condition.
✎
Power settings and 
timeouts can be changed 
using Power Options in 
Windows Control Panel.
■ The power lights are 
turned off.
■ The screen clears.
Restore from 
user-initiated or 
system-initiated 
hibernation.
Press the power button.
†
■ The power lights are 
turned on.
■ Your work returns to 
the screen.
†
If the system initiated hibernation because of a critical low-battery condition, 
connect external power or insert a charged battery pack before you press the 
power button. 
Task Procedure Result