Chapter 4. Related Service Information; Reset Or Restore Windows; Passwords; Power-On Password - Lenovo ThinkPad P17 Gen 1 Hardware Maintenance Manual

Chapter 4. Related service information

This chapter presents following information:
• "Reset or restore Windows" on page 29
• "Passwords" on page 29
• "Power management" on page 32
• "Symptom-to-FRU index" on page 33
Service Web site: When the latest maintenance diskette and the system program service diskette become
available, they will be posted on

Reset or restore Windows

To reset or restore Windows, refer to the information below：
• Use Lenovo recovery options.
1. Go to
https://support.lenovo.com/HowToCreateLenovoRecovery
2. Follow the on-screen instructions.
• Use Window recovery options.
1. Go to
https://pcsupport.lenovo.com
2. Detect your computer or manually select your computer model.
3. Click Diagnostics ➙ Operating system Diagnostics and then follow the on-screen instructions.

Passwords

As many as four passwords might be needed for a ThinkPad notebook computer: the power-on password,
the hard disk password, the supervisor password, and the system management password.
If any of these passwords has been set, a prompt for it will be displayed on the screen whenever the
computer is turned on. The computer does not start until the password is entered.
Note: If only a supervisor password is set, the password prompt will not be displayed when the operating
system is started.

Power-on password

A power-on password protects the system from being powered on by an unauthorized person. The
password must be entered before the operating system can be started. For instructions on how to remove
the power-on password, see "How to remove the power-on password" on page 30.

Hard disk password

There are two kinds of hard disk passwords:
• User hard disk password - for the user
• Master hard disk password - for the system administrator, who can use it to get access to the hard disk
even if the user has changed the user hard disk password
Note: There are two modes for the hard disk password: User only and Master + User. The Master + User
mode requires two hard disk passwords; the system administrator enters both in the same operation. The
system administrator then provides the user hard disk password to the system user.
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