Lenovo IdeaCentre A300 IdeaCentre A300 Hardware Maintenance Manual - Page 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. 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 password to use your computer. However, if you decide to set any password, read the following sections. Password considerations A password can be any combination of up to 16 characters (a-z and 0-9) and semicolon (;). For security reason, it is a good idea to use a strong password that cannot be easily compromised. We suggest the password 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 password are not case sensitive • Not be your name or your user name • Not be a common word or a common name • Be significantly different from your previous password Administrator password When an 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 an Administrator Password. After you set an 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. Setting, changing, and deleting Administrator password To set, change, or delete Administrator password, do the following: 16