Compaq Evo n600c Compaq Evo Notebook N600c, N610c, N610v and N620c Notebook PC - Page 36

Clearing a Password, 1.4 Power Management - rtc battery

Page 36 highlights

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 RTC battery (refer to Section 5.6, "Disk Cell 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 ■ Setting customization by the user ■ Hotkeys for setting level of performance ■ Smart battery that provides an accurate battery power gauge ■ Battery calibration ■ Lid switch suspend/resume ■ Power/suspend button ■ Advanced Configuration and Power Management (ACP) compliance Maintenance and Service Guide 1-31

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Product Description
Maintenance and Service Guide
1–31
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 RTC battery (refer to Section 5.6, “Disk Cell
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
Setting customization by the user
Hotkeys for setting level of performance
Smart battery that provides an accurate battery power gauge
Battery calibration
Lid switch suspend/resume
Power/suspend button
Advanced Configuration and Power Management (ACP)
compliance