![](https://pdfstore-manualsonline.prod.a.ki/pdfasset/5/d2/5d2b769c-eda6-4113-af7a-2f8c0d1a73e4/5d2b769c-eda6-4113-af7a-2f8c0d1a73e4-bg1e.png)
v The system status, RAM, VRAM, and setup data are
stored on the hard disk.
v The system is powered off.
Notes:
The computer cannot enter hibernation mode when
it is powered with ac power and a communication
PC Card is used.
Any one of the following events causes the computer to
enter hibernation mode when the hibernation file is
created:
v The Fn + F12 keys are pressed.
v The power switch is turned off and the mode is set to
Power switch mode [Hibernation].
v The timer conditions are satisfied in suspend mode (for
operating systems other than Windows 98).
v A critically low battery condition occurs.
When the power is turned on, the computer leaves
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.
Related service information
26 ThinkPad A21e