Related service information
To cause the computer to return from standby mode and resume operation, do one of the following:
vPress the Fn key.
vOpen the LCD cover.
vTurn on the power switch.
Also, in either of the following events, the computer automatically returns from standby mode and resumes operation:
vThe ring indicator (RI) is signaled by a serial device or a PC Card device.
vThe time set on the resume timer elapses.
Note: The computer does not accept any input immediately after it enters standby mode. Wait a few seconds before taking any action to reenter operation mode.
Hibernation mode
In hibernation mode, the following occurs:
vThe system status, RAM, VRAM, and setup data are stored on the hard disk.
vThe system is powered off.
Note: If the computer enters the hibernation mode while it is docked to the ThinkPad Advanced Dock or ThinkPad Advanced Mini Dock, do not undock it before resuming normal operation. If you do undock it and then try to resume normal operation, you will get an error message, and you will have to restart the system.
To cause the computer to enter hibernation mode, do any of the following:
vPress the Fn+F12 keys.
vIf you are using the APM operating system and have set the mode to Power switch mode [Hibernation], turn off the power switch.
vIf you are using the ACPI operating system and have defined one of the following actions as the event that causes the system to go into hibernation mode, perform that action.
–Closing the lid.
–Pressing the power button.
–Pressing Fn+F4 keys.
Also, the computer goes into hibernation mode automatically in either of the following conditions:
vIf a “hibernation time” has been set on the timer, and if the user does not do any operation with the keyboard, the TrackPoint, the hard disk drive, the parallel connector, or the diskette drive within that time.
vIf the timer conditions are satisfied in suspend mode.
vIf you are using the APM operating system and have set the mode to Hibernate when battery becomes low, and the battery charge becomes critically low.
When the power is turned on, the computer returns from hibernation mode and resumes operation. The hibernation file in the boot record on the hard disk drive is read, and system status is restored from the hard disk drive.
