Lenovo H520S Administrator Password, Setting, changing, or deleting an Administrator password

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Administrator Password

Setting an Administrator Password deters unauthorized persons from changing configuration settings. You might want to set an Administrator Password if you are responsible for maintaining the settings of several computers.

After you set an Administrator Password, a password prompt is displayed every time you access the Lenovo BIOS Setup Utility program.

If both the Administrator and Power-On Password are set, you can type either password. However, you must use your Administrator Password to change any configuration settings.

Setting, changing, or deleting an Administrator password

To set an Administrator Password, do the following:

Note: A password can be any combination of letters and numbers up to 16 character (a-z, and 0-9). For more information, see “Password considerations” on page 13.

1.Start the Lenovo BIOS Setup Utility program (see “Starting the Lenovo BIOS Setup Utility program” on page 13).

2.From the Security menu, select Set Administrator Password and press the Enter key.

3.The password dialog box will be displayed. Type the password then press the Enter key.

4.Re-type the password to confirm, then press the Enter key. If you type the password correctly, the password will be installed.

To change an Administrator Password, do the following:

1.Start the Lenovo BIOS Setup Utility program (see “Starting the Lenovo BIOS Setup Utility program” on page 13).

2.From the Security menu, select Set Administrator Password and press the Enter key.

3.The password dialog box will be displayed. Type the current password then press Enter key.

4.Type the new password, then press Enter key. Re-type the password to confirm the new password, if you type the new password correctly, the new password will be installed. A Setup Notice will display that changes have been saved.

To delete a previously set Administrator Password, do the following :

1.From the Security menu, select Set Administrator Password and press the Enter key.

2.The password dialog box will be displayed. Type the current password and press the Enter key.

3.To delete an Administrator Password, Enter blank fields for each new password line item. A setup notice will display that changes have been saved.

4.Return to the Lenovo BIOS Setup Utility program menu and select the Exit option.

5.Select Save changes and Exit from the menu.

Power-On Password

When a Power-On Password is set, you cannot start the Lenovo BIOS Setup Utility program until a valid password is typed from the keyboard.

Setting, changing, or deleting a Power-On Password

Note: A password can be any combination of letters and numbers up to 16 character (a-z, and 0-9).

14Lenovo H520sHardware Maintenance Manual

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Lenovo H520s Hardware Maintenance Manual Page Lenovo H520s Hardware Maintenance Manual Page Contents Iv Lenovo H520sHardware Maintenance Manual Important Safety Information About this manualLenovo H520sHardware Maintenance Manual Electrical safety Safety informationGeneral safety Lenovo H520sHardware Maintenance Manual Safety inspection guide Handling electrostatic discharge-sensitive devicesSafety notices Grounding requirementsDo not To Connect To Disconnect≥18 kg37 lbs ≥32 kg70.5 lbs ≥55 kg121.2 lbs Specifications General informationType Lenovo H520s Environment Lenovo H520sHardware Maintenance Manual General Checkout Lenovo H520sHardware Maintenance Manual Using the Setup Utility Starting the Lenovo Bios Setup Utility programViewing and changing settings Using passwordsSetting, changing, or deleting a Power-On Password Administrator PasswordSetting, changing, or deleting an Administrator password Enabling or disabling a device Select Save changes and Exit from the menuSelecting or changing the startup device sequence Selecting a startup deviceSelecting a temporary startup device Exiting the Lenovo Bios Setup Utility program Lenovo H520sHardware Maintenance Manual Symptom-to-FRU Index Hard disk drive boot errorPower Supply Problems Error FRU/ActionPost Error Message Description/Action Post error codesUndetermined problems Locating connectors, controls and components Font view Rear view Hardware components Identifying parts on the motherboard Lenovo H520sHardware Maintenance Manual General information Pre-disassembly instructionsReplacing hardware Replacing the keyboard and mouse Removing the computer coverTo replace the keyboard and mouse To remove the computer coverRemoving the front bezel To replace an optical drive Replacing an optical driveTo remove the front bezel Replacing hardware Replacing the hard disk drive To replace the hard disk driveReplacing a memory module Replacing the Power supply Replacing the graphic card Lenovo H520sHardware Maintenance Manual Replacing the system fan Replacing the microprocessor fanReplacing the heat-sink Replacing the CPU Lenovo H520sHardware Maintenance Manual Replacing the Wi-Fi card Replacing the front USB/card reader/audio module Replacing the motherboard Lenovo H520sHardware Maintenance Manual FRU lists ProcessorMother Board MemoryMT16JTF51264AZ-1G4D1 4GB DDRIII1333RAMR HMT351U6CFR8C-PB 4GB D3-1600RAM-HF Hard DrivePower Supply Optical DriveGraphic Card MechanicalWi-Fi PCI-E Interface Card Remote ControllerTV Tunner USB 3.0 PCI-E Interface CardKeyboard & Mouse Chassis Lenovo H520sHardware Maintenance Manual Additional Service Information Power managementAdvanced configuration and power interface Acpi Bios Automatic Power-On features
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