Lenovo H520S manual Enabling or disabling a device, Select Save changes and Exit from the menu

Page 21

To set a Power-On 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 Power-On Password and press the Enter key.

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

4.Re-type the password to confirm, if you type the password correctly, the password will be installed.

To change a Power-On 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 Power-On Password and press the Enter key.

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

4.Type the new password, then press the 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 Power-On Password, do the following :

1.From the Security menu, select Set Power-On 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 the Power-On 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.

Enabling or disabling a device

The Devices options is used to enable or disable user access to the following devices:

Serial Port Setup

Select this option to enable or disable Serial Port (com).

 

 

USB Functions

Select whether to enable or disable USB (Universal Serial

 

Bus) functions. If it is disabled, the USB keyboard and/or

 

USB mouse may be not able to be used without device

 

driver support.

 

 

ATA Drive Setup

Select IDE, ACHI mode or disable SATA controller. Device

 

driver support is required for ACHI mode. Depending on

 

how the hard disk image was installed, changing this

 

setting may prevent the system from booting.

 

 

Video Setup

To configure video related functions. This option allows

 

you to configure system's initiate graphic adapter from

 

either IGD (Integrated Graphics Device) or PEG (PCI

 

Express Graphics). Keep on the IGD enabled based on

 

the setup options.

 

 

Chapter 5. Using the Setup Utility 15

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Contents Lenovo H520s Hardware Maintenance Manual Page Lenovo H520s Hardware Maintenance Manual Page Contents Iv Lenovo H520sHardware Maintenance Manual About this manual Important Safety InformationLenovo H520sHardware Maintenance Manual Safety information General safetyElectrical safety Lenovo H520sHardware Maintenance Manual Handling electrostatic discharge-sensitive devices Safety inspection guideGrounding requirements Safety noticesTo Connect To Disconnect Do not≥18 kg37 lbs ≥32 kg70.5 lbs ≥55 kg121.2 lbs General information SpecificationsType Lenovo H520s EnvironmentLenovo H520sHardware Maintenance Manual General Checkout Lenovo H520sHardware Maintenance Manual Starting the Lenovo Bios Setup Utility program Using the Setup UtilityViewing and changing settings Using passwordsAdministrator Password Setting, changing, or deleting an Administrator passwordSetting, changing, or deleting a Power-On Password Select Save changes and Exit from the menu Enabling or disabling a deviceSelecting a startup device Selecting a temporary startup deviceSelecting or changing the startup device sequence Exiting the Lenovo Bios Setup Utility program Lenovo H520sHardware Maintenance Manual Hard disk drive boot error Symptom-to-FRU IndexPower Supply Problems Error FRU/ActionPost error codes Undetermined problemsPost Error Message Description/Action Locating connectors, controls and components Font view Rear view Hardware components Identifying parts on the motherboard Lenovo H520sHardware Maintenance Manual Pre-disassembly instructions Replacing hardwareGeneral information Removing the computer cover Replacing the keyboard and mouseTo replace the keyboard and mouse To remove the computer coverRemoving the front bezel Replacing an optical drive To remove the front bezelTo replace an optical drive Replacing hardware To replace the hard disk drive Replacing the hard disk driveReplacing a memory module Replacing the Power supply Replacing the graphic card Lenovo H520sHardware Maintenance Manual Replacing the microprocessor fan Replacing the system 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 Processor FRU listsMother Board MemoryMT16JTF51264AZ-1G4D1 4GB DDRIII1333RAMR Hard Drive HMT351U6CFR8C-PB 4GB D3-1600RAM-HFOptical Drive Power SupplyGraphic Card MechanicalRemote Controller Wi-Fi PCI-E Interface CardTV Tunner USB 3.0 PCI-E Interface CardKeyboard & Mouse Chassis Lenovo H520sHardware Maintenance Manual Power management Additional Service InformationAdvanced configuration and power interface Acpi Bios Automatic Power-On features
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H520S specifications

The Lenovo H520S is a compact desktop PC designed to cater to both home and office environments. It combines sleek design with robust performance, making it an excellent choice for users seeking versatility in a desktop system. One of the standout features of the H520S is its powerful computing capabilities, driven by Intel's third-generation Core processor family. This ensures that tasks ranging from everyday browsing to demanding applications run smoothly and efficiently.

The design of the Lenovo H520S is notably space-saving, allowing it to fit comfortably in various environments without taking up excessive desk space. With a brushed metal finish and minimalist aesthetic, it blends seamlessly with modern office setups and home entertainment centers alike. The compact chassis not only contributes to its stylish appearance but also enhances portability, making it easier to transport if needed.

In terms of performance, the H520S is equipped with up to 16GB of DDR3 RAM, which provides ample memory for multitasking and running multiple applications simultaneously. The inclusion of integrated graphics and support for discrete graphics options allows users to engage in casual gaming and enjoy multimedia content without lag. For storage, the system offers a range of hard drive options, including traditional HDDs and faster SSDs, catering to different performance and capacity needs.

The desktop is also designed with connectivity in mind. It features multiple USB ports, HDMI output, and audio jacks, ensuring compatibility with a wide range of peripherals and devices. Additionally, the Lenovo H520S includes built-in Wi-Fi and Ethernet options for seamless internet connectivity, enabling users to stay connected whether working from home or in a busy office.

User convenience extends to its energy efficiency, with the H520S being Energy Star certified. This not only contributes to lower energy bills but also reflects Lenovo's commitment to sustainability. Overall, the Lenovo H520S stands out with its combination of compact design, powerful performance, and thoughtful features, making it an ideal choice for anyone looking for a reliable desktop solution that meets both personal and professional needs.
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