Power management
Toreduce power consumption, the computer has three power management modes:
screen blank, sleep (standby in Windows XP), and hibernation.
Screen blank mode
If the time set on the “Turnoff monitor” timer in the operating system expires, the
LCD backlight turns off.
Toput the computer into screen blank mode, do as follows:
1. Press Fn+F3. Apanel for selecting a power plan (in Windows XP, power
scheme) appears.
2. Select Power off display (keep current power plan) (in Windows XP,keep
current power scheme).
Youcan also put the computer into screen blank mode, press ThinkVantage button
and use the ThinkVantageProductivity Center.
Note: If the computer is a Windows 7 model, it does not support ThinkVantage
Productivity Center.
Toend screen blank mode and resume normal operation, press any key.
Sleep (standby) mode
When the computer enters sleep (standby) mode, the following events occur in
addition to what occurs in screen blank mode:
vThe LCD is powered off.
vThe hard disk drive is powered off.
vThe CPU stops.
Toenter sleep (standby) mode, press Fn+F4.
Note: Youcan change the action of the Fn+F4 key combination by changing the
settings in Power Manager.
In certain circumstances, the computer goes into sleep (standby) mode
automatically:
vIf a “suspend time” has been set on the timer, and the user does not do any
operation with the keyboard, the TrackPoint,the hard disk, the parallel
connector, or the diskette drive within that time.
vIf the battery indicator blinks orange, indicating that the battery power is low.
Note: Even if you do not set the low-battery alarm, the charge indicator notifies
you when the battery is low,and then the computer enters the power-saving mode
automatically.
Tocause the computer to return from sleep (standby) mode and resume operation,
do one of the following:
vPress the Fn key.
vOpen the LCD cover.
vTurnon the power switch.
60 ThinkPad SL410, L410, L412, SL510, L510, and L512 HardwareMaintenance Manual