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b. In the Confirm New Password field, retype the password and press Enter. • To change a password, do the following: a. In the Enter Current Password field, type the current power-on password and press Enter. b. In the Enter New Password field, type the new power-on password and press Enter; then retype the password in the Confirm New Password field and Press Enter. • To remove a password, do the following: a. In the Enter Current Password field, type the current power-on password and press Enter. b. Leave the Enter New Password and Confirm New Password fields blank. Press Enter twice. 5. A Setup Notice window is displayed. Press Enter to continue. 6. Press F10. A Setup Confirmation window is displayed. Select Yes to save the configuration changes and exit. Note: You might want to record your password and store it in a safe place. Otherwise, if you forget the password, you have to take your computer to a Lenovo reseller or a marketing representative to have the password canceled. Supervisor password The supervisor password protects the system information stored in the ThinkPad Setup program. If you have set a supervisor password, no one can change the configuration of the computer without the password. It provides the following security features: • If only a supervisor password is set, a password prompt is displayed when you try to start the ThinkPad Setup program. Unauthorized users cannot access the ThinkPad Setup program without the password. • The system administrator can use the supervisor password to access a computer even if the user of that computer has set a power-on password. The supervisor password overrides the power-on password. • If both a supervisor password and a power-on password are set, you can do the following only if you have the supervisor password: – Changing or deleting the power-on password – Changing or deleting the supervisor password – Changing date and time – Specifying the minimum length for power-on password and hard disk password – Changing the setting for the security chip – Enabling or disabling the following features: 48 User Guide – Flash over LAN – Lock UEFI BIOS Settings – Password at unattended boot – Boot Device List F12 Option – Boot Order Lock – Flash BIOS Updating by End-Users – Internal network device – Internal wireless device – Internal Bluetooth device – Internal Network Option ROM – Security mode Notes: • The system administrator can set the same supervisor password on many ThinkPad notebook computers to make administration easier. • When Lock UEFI BIOS Settings option is enabled, all BIOS settings cannot be changed. To change the settings, a supervisor password is required. Setting, changing, or removing a supervisor password Before you start, print these instructions. Only a system administrator can set, change, or remove a supervisor password. To set, change, or remove a supervisor password, do the following: 1. Turn off your computer. Wait for about five seconds, and then turn on the computer again. 2. When the logo screen is displayed, press F1 to start the ThinkPad Setup program. 3. Select Security . Password . Supervisor Password by using the directional keys. 4. Depending on your needs, do one of the following: • To set a password, do the following: a. In the Enter New Password field, type a desired password and press Enter. b. In the Confirm New Password field, retype the password and press Enter. • To change a password, do the following: a. In the Enter Current Password field, type the current supervisor password and press Enter. b. In the Enter New Password field, type the new supervisor password and press Enter; then retype the password in the Confirm New Password field and press Enter. • To remove a password, do the following: a. In the Enter Current Password field, type the current supervisor password and press Enter. b. Leave the Enter New Password and Confirm New Password fields blank. Press Enter twice. 5. A Setup Notice window is displayed. Press Enter to continue. 6. Press F10. A Setup Confirmation window is displayed. Select Yes to save the configuration changes and exit. Note: You might want to record your password and store it in a safe place. The next time you open the ThinkPad Setup program, you will be prompted to type your supervisor password to proceed. If you forget your supervisor password, Lenovo cannot reset your password. You must take your computer to a Lenovo Chapter 4. Security 49 reseller or a Lenovo marketing representative to have the system board replaced. Proof of purchase is required, and a fee will be charged for parts and service. Hard disk passwords The following two types of hard disk passwords can help protect the information stored on the hard disk drive: • User hard disk password If a user hard disk password has been set, but no master hard disk password has been, the user must enter the user hard disk password to access files and applications on the hard disk drive. • Master hard disk password The master hard di...

Dieses Handbuch ist für folgende Modelle:
PC Notebooks - ThinkPad Yoga (20CD) (2.06 mb)

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