Compaq nc6000 HP Compaq nc6000 Notebook PC - Maintenance and Service Guide - Page 19

Clearing a Password, 1.4 Power Management - replacing cmos battery

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Product Description 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 "5.20 RTC Battery"). 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 have been 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 ■ Customization of settings by the user ■ Hotkeys for setting level of performance ■ Lid switch Standby/resume ■ Power/Standby button ■ Advanced Configuration and Power Management (ACPM) compliance Maintenance and Service Guide 1-13

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Product Description
Maintenance and Service Guide
1–13
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
“5.20
RTC Battery”
).
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 have been 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
■
Customization of settings by the user
■
Hotkeys for setting level of performance
■
Lid switch Standby/resume
■
Power/Standby button
■
Advanced Configuration and Power Management (ACPM)
compliance