Clearing A Password; Power Management - HP Compaq nc4010 - Notebook PC Maintenance And Service Manual

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 "Preparing the Notebook for Disassembly"
information).
2. Remove the real time clock (RTC) battery (refer to
in section " RTC
3. Wait approximately five 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 level of performance
■
Battery calibration
■
Display lid switch standby/resume
■
Power/standby button
■
Advanced Configuration and Power Management (ACP)
compliance
Maintenance and Service Guide
Battery").
Product Description
Chapter 5, in
for more
Chapter 5,
1–9