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Chapter 4. Related service information
This chapter presents following information:
• "Reset or restore Windows" on page 27
• "Passwords" on page 27
• "Power management" on page 31
• "Symptom-to-FRU index" on page 32
Service Web site:
When the latest maintenance diskette and the system program service diskette become available, they will
be posted on:
https://support.lenovo.com
Reset or restore Windows
To reset or restore Windows, refer to the information below：
Use Lenovo recovery options
Step 1.
Go to
https://support.lenovo.com/HowToCreateLenovoRecovery
Step 2.
Follow the on-screen instructions.
Use Window recovery options
Step 1.
Go to
https://pcsupport.lenovo.com
Step 2.
Detect your computer or manually select your computer model.
Step 3.
Click Diagnostics ➙ Operating system Diagnostics and then follow the on-screen instructions.
Passwords
You can set a power-on password, supervisor password, system management password, or hard disk
password in UEFI BIOS to prevent unauthorized access to your computer.
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.
You can set a power-on password, supervisor password, system management password, or NVMe
password in UEFI BIOS to prevent unauthorized access to your computer.
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.
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