Lenovo 2808DKU, 28155YU, 28155XU manual Hibernation 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.

To cause the computer to enter hibernation mode, do any of the following:

vPress the Fn+F12 keys.

vIf you 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.

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.

60ThinkPad T400s Hardware Maintenance Manual