Clearing A Password; Power Management - HP Compaq Presario,Presario 1500 Maintenance And Service Manual

Hp compaq presario,presario 1500: 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 computer for disassembly (refer to Section 5.3,
"Preparing the Computer for Disassembly," for more
information).
2. Remove the RTC battery (refer to Section 5.7, "Disk Cell
RTC Battery").
3. Wait approximately five minutes.
4. Replace the RTC battery and reassemble the computer.
5. Connect AC power to the computer. Do not reinsert any
battery packs at this time.
6. Turn on the computer.
All passwords and all CMOS settings have been cleared.

1.4 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 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
Product Description
1–29

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