Lenovo V4400u Hardware Maintenance Manual - Lenovo V4400u - Page 31

Important service information, Recovering the computer settings, Using passwords - bios

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Chapter 3. Important service information This chapter presents the following information: • "Recovering the computer settings" on page 25 • "Using passwords" on page 25 • "Power management" on page 25 Recovering the computer settings This topic provides information about the recovery programs that are available for you to recover the computer settings. The preinstalled Windows recovery program enables you to do the following: • Refreshing the computer without losing personal files • Restoring the computer to the factory default settings Attention: When you use the Windows recovery program to restore the computer settings, all the data you have stored on the hard disk drive will be deleted and the computer will be restored to the factory default settings. To avoid data loss, back up your data in advance. • Configuring the advanced startup options The advanced startup options enable you to do the following: - Changing the startup settings of the Windows operating system - Restoring the Windows operating system from a system image - Starting up from an external device For more information about the recovery solutions, refer to the help information system of the programs. Using passwords You can set the following types of passwords to protect unauthorized access to your computer. Attention: If you forget the password, there is no service procedure to reset the password. The system board must be replaced for a scheduled fee. • Power-on password: A power-on password protects the computer from being turned on by an unauthorized person. If a power-on password has been set, the user must enter the password before starting the operating system. • Supervisor password: A supervisor password protects the system information stored in the BIOS program. The user must enter the supervisor password to get access to the BIOS program and change system configurations. If you have set a password, you will be prompted to enter the password whenever you turn on the computer. Power management There are three power management modes to reduce power consumption: screen blank, sleep, and hibernation. © Copyright Lenovo 2013 25

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Chapter 3.
Important service information
This chapter presents the following information:
•
“Recovering the computer settings” on page 25
•
“Using passwords” on page 25
•
“Power management” on page 25
Recovering the computer settings
This topic provides information about the recovery programs that are available for you to recover the
computer settings.
The preinstalled Windows recovery program enables you to do the following:
•
Refreshing the computer without losing personal files
•
Restoring the computer to the factory default settings
Attention:
When you use the Windows recovery program to restore the computer settings, all the data
you have stored on the hard disk drive will be deleted and the computer will be restored to the factory
default settings. To avoid data loss, back up your data in advance.
•
Configuring the advanced startup options
The advanced startup options enable you to do the following:
–
Changing the startup settings of the Windows operating system
–
Restoring the Windows operating system from a system image
–
Starting up from an external device
For more information about the recovery solutions, refer to the help information system of the programs.
Using passwords
You can set the following types of passwords to protect unauthorized access to your computer.
Attention:
If you forget the password, there is no service procedure to reset the password. The system
board must be replaced for a scheduled fee.
•
Power-on password
: A power-on password protects the computer from being turned on by an
unauthorized person. If a power-on password has been set, the user must enter the password before
starting the operating system.
•
Supervisor password
: A supervisor password protects the system information stored in the BIOS
program. The user must enter the supervisor password to get access to the BIOS program and change
system configurations.
If you have set a password, you will be prompted to enter the password whenever you turn on the computer.
Power management
There are three power management modes to reduce power consumption: screen blank, sleep, and
hibernation.
© Copyright Lenovo 2013
25