Lenovo H520S manual Lenovo H520sHardware Maintenance Manual

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Step 4. Remove the computer cover. Refer to “Removing the computer cover”. Step 5. Remove the front bezel. Refer to “Removing the front bezel”.

Step 6. Remove the memory module. Refer to “Replacing a memory module”.

Step 7. Remove the optical drive. Refer to “Replacing the optical drive”.

Step 8. Remove the hard disk drive. Refer to “Replacing the hard disk drive”.

Step 9. Remove the power supply. Refer to “Replacing the power supply”.

Step 10. Remove the microprocessor fan. Refer to “Replacing the microprocessor fan”. Step 11. Remove the heat-sink. Refer to “Replacing the heat-sink”.

Step 12. Remove the graphic card. Refer to “Replacing the graphic card”.

Step 13. Remove the TV-Tuner card. Refer to “Replacing the TV-Tuner card”.

Step 14. Remove the Wi-Fi card. Refer to “Replacing the Wi-Fi card”.

Step 15. Remove the CPU. Refer to “Replacing the CPU”.

Step 16. Disconnect the all cables from the connectors on motherboard.

Step 17. Remove the 6 screws that secure the motherboard to the chassis.

Step 18. Lift up the motherboard to remove it.

Step 19. Install the new motherboard:

a.Line up the holes on the new motherboard with mounting holes on the chassis and secure it with screws.

b.Reattach the memory module, Wi-Fi card, CPU, heat-sink and microprocessor fan to the new motherboard.

c.Connect the all cables to the new motherboard.

d.Reattach the power supply, hard disk drive, optical drive, graphic card and the TV-Tuner card. Step 20. Reattach the front bezel, computer cover.

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Contents 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 Type Lenovo H520s SpecificationsGeneral information EnvironmentLenovo H520sHardware Maintenance Manual General Checkout Lenovo H520sHardware Maintenance Manual Viewing and changing settings Using the Setup UtilityStarting the Lenovo Bios Setup Utility program 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 Power Supply Problems Symptom-to-FRU IndexHard disk drive boot error 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 To replace the keyboard and mouse Replacing the keyboard and mouseRemoving the computer cover 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 Mother Board FRU listsProcessor MemoryMT16JTF51264AZ-1G4D1 4GB DDRIII1333RAMR HMT351U6CFR8C-PB 4GB D3-1600RAM-HF Hard DriveGraphic Card Power SupplyOptical Drive MechanicalTV Tunner Wi-Fi PCI-E Interface CardRemote Controller USB 3.0 PCI-E Interface CardKeyboard & Mouse Chassis Lenovo H520sHardware Maintenance Manual Advanced configuration and power interface Acpi Bios Additional Service InformationPower management 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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