Related service information
10.Select Yes in the Setup Configuration window.
Both user HDP and master HDP will have been removed.
Power management
To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation.
Screen blank mode
In R50e and R52 series, screen blank mode has three variants, as follows:
1. If you press Fn+F3, or if the time set on the “LCD off timer” in BIOS Setup Utility expires,
vThe LCD backlight turns off.
vThe hard disk drive motor stops.
vThe speaker is muted.
2.If you are using the ACPI operating system and you press Fn+F3,
vThe LCD backlight turns off.
vThe hard disk drive motor stops.
3.If the time set on the “Turn off monitor” timer in the operating system expires,
vThe LCD backlight turns off.
To end screen blank mode and resume normal operation, press any key.
In R51e, press the Access IBM button and user the ThinkVantage Productivity Center to turn off power to the computer display.
Standby mode
When the computer enters 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.
To enter standby mode, press Fn+F4.
In R51e, you can also use the ThinkVantage Productivity Center to put the computer in standby mode.
Note: If you are using the ACPI operating system, you can change the action of Fn+F4.
In certain circumstances, the computer goes into standby mode automatically:
General descriptions 35
