Lenovo H430 Desktop Manuel d'utilisateur télécharger pdf (Page 19)

Chapter 5. Using the Setup Utility

keyboard. The keys used to perform various tasks are displayed on the

right side of each screen.

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:

• SupervisorPassword

• User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 ten characters (a-z and

0-9) 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,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

Supervisor password

When a Supervisor 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 Supervisor

Password.

After you set a Supervisor Password, a password prompt is displayed each

time you try to access the Setup Utility program.

If both the supervisor and user passwords are set, you can type either

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

your supervisor password.

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Lenovo H430 Desktop Manuel d'utilisateur Page 19