HP (Hewlett-Packard) 355385-001 ユーザーズマニュアル

Most security features use passwords. When you set a password, 
write it down and store it in a secure location.

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If you forget your power-on password or Administrator 
password, you cannot start the notebook or resume from 
Hibernation until an authorized service provider resets the 
notebook. Refer to the Worldwide Telephone Numbers 
booklet included with the notebook to contact an HP 
Customer Care Center.

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If you forget the DriveLock user password but know your 
DriveLock master password, you can remove DriveLock 
protection from the drive. 

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If you forget both your user and master DriveLock 
passwords, the hard drive is permanently unusable.

HP security features and Windows operating system security 
features work independently from each other. For example, 
a device disabled in Setup cannot be enabled in Windows.

Also, you must use an HP password at an HP password prompt 
and a Windows password at a Windows password prompt. For 
example:

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If a power-on password is set, the power-on password (not 
a Windows password) must be entered when the notebook 
starts up or resumes from Hibernation.

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If you set Windows to prompt for a password before 
resuming from Standby, a Windows password (not a 
power-on password) must be entered to resume from 
Standby.