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.