Lenovo IdeaCentre B520 Bedienungsanleitung PDF herunterladen (Seite 18)

Hardware Maintenance Manual

Using passwords

By using the Setup Utility program, you can set passwords to prevent

unauthorized persons from gaining access to your computer and data.

See “Starting the Setup Utility program.” The following types of passwords

are available:

• AdministratorPassword

• Power-OnPassword

You do not have to set any passwords to use your computer. However, if

you decide to set any passwords, read the following sections.

Password considerations

A password can be any combination of up to 64 characters (a-z , 0-9 and ; )

and symbols. For security reasons, it is a good idea to use a strong password

that cannot be easily compromised. We suggest the passwords should

adhere to the following rules:

• Musthaveatleastsevencharactersinlength

• Containatleastonealphabeticcharacterandonenumericcharacter

• SetupUtilityprogramandharddiskdrivepasswordsarenotcase

sensitive

• Notbeyournameoryourusername

• Notbeacommonwordoracommonname

• Besignicantlydierentfromyourpreviouspassword

Administrator password

When a Administrator Password is set, it deters unauthorized persons from

changing conﬁguration settings. If you are responsible for maintaining

the settings of several computers, you might want to set a Administrator

Password.

After you set a Administrator Password, a password prompt is displayed

each time you try to access the Setup Utility program.

If both the Administrator and Power-On Password are set, you can type

either password. However, to change any conﬁguration settings, you must

use your Administrator password.

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Lenovo IdeaCentre B520 Bedienungsanleitung Seite 18