HP 385548-031 ユーザーズマニュアル

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 

 for more 

information).

2. Remove the real-time clock (RTC) battery (refer to

 for more information on 

removing and replacing the 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 have been cleared.

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

■

Battery calibration

■

Lid switch standby/resume

■

Power/standby button

■

Advanced Configuration and Power Management (ACPM) 
compliance