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Power
Hardware and Software Guide 3–11
Initiating or Resuming from Standby
Task Procedure Result
Initiate standby. With the computer on, use any of
the following procedures:
■ Press the fn+f5 hotkey.
■ Close the computer.
■ Select Start > Turn Off
Computer > Stand by.
In Windows XP Professional,
if Stand by is not displayed:
1. Press the down arrow.
2. Select Stand by from the
drop-down list.
3. Click OK.
■ Power lights blink.
■ Screen clears.
Allow the system
to initiate
standby.
No action is required. The system
initiates standby
■ After 10 minutes of inactivity
while running on battery power.
■ After 25 minutes of inactivity
while running on external power.
■ Power lights blink.
■ Screen is cleared.
Resume from
standby.
Press the power button.* ■ Power lights are
turned on.
■ Your work returns
to the screen.
*Depending on your computer configuration, you may also be able to resume
from standby by moving or activating a control on an optional mouse or by
opening the display if the computer was closed while in standby.