Clearing A Password; Power Management - HP Compaq NC8000 Maintenance And Service Manual

Hp compaq nc8000: user guide
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1.3 Clearing a Password

If the notebook you are servicing has an unknown password,
follow these steps to clear the password. These steps also
clear CMOS:
1. Prepare the notebook for disassembly (refer to Section 5.3,
"Preparing the Notebook for Disassembly," for more
information).
2. Remove the real time clock (RTC) battery (refer to
Section 5.15, "RTC Battery").
3. Wait approximately 5 minutes.
4. Replace the RTC battery and reassemble the notebook.
5. Connect AC power to the notebook. Do not reinsert any
battery packs at this time.
6. Turn on the notebook.
All passwords and all CMOS settings are cleared.

1.4 Power Management

The notebook comes with power management features that
extend battery operating time and conserve power. The notebook
supports the following power management features:
Standby
Hibernation
Setting customization by the user
Hotkeys for setting the level of performance
Lid switch Standby/resume
Power/Standby button
Advanced Configuration and Power Management (ACPM)
compliance
Maintenance and Service Guide
Product Description
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