In Hibernation mode, all power shuts off (the computer does not consume any power). The computer saves all system information onto the hard disk before it enters Hibernation mode. Once you turn on the power, the computer restores this information and resumes where you left off upon leaving Hibernation mode.
Before the computer can enter Hibernation mode, the Hibernation file created by Sleep Manager must be present and valid.
Note: If the computer beeps but does not enter Hibernation mode after pressing the Hibernation hotkey, it means the operating system will not allow the computer to enter the power-saving mode.
To exit Hibernation mode, press the power switch. The computer also resumes from Hibernation mode if the resume timer is set and matched.
Warning: Do not change any devices (such as add memory) when the computer is in Hibernation mode.
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