HP (Hewlett-Packard) nc6300 ユーザーズマニュアル

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Product Description
Maintenance and Service Guide
1–5
2. Wait approximately 5 minutes.
3. Replace the RTC battery and reassemble the computer.
4. Connect AC power to the computer. Do not reinsert any 
batteries at this time.
5. Turn on the computer.
All passwords and all CMOS settings have been cleared.
1.3 Power Management
The computer comes with power management features that 
extend battery operating time and conserve power. The 
computer supports the following power management features:
Standby
Hibernation
Setting customization by the user
Hotkeys for setting the level of performance
Battery calibration
Lid switch standby/resume
Power button
Advanced Configuration and Power Management (ACPM) 
compliance