Lenovo H520S manual Replacing the front USB/card reader/audio module

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To replace the Wi-Fi card:

Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices.

Step 2. Unplug all power cords from electrical outlets.

Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Left and right view” and “Rear view” for help with locating the various connectors.

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

Step 5. Disconnect the 2 antenna cables from the Wi-Fi card.

Step 6. Remove the 2 screws that secure the Wi-Fi card to the motherboard.

Step 7. Pull the Wi-Fi card upward to remove it from the card port.

Step 8. Install the new Wi-Fi card:

a.Line up the new Wi-Fi card, then insert it into the same card port.

b.Secure the Wi-Fi card to the motherboard with the 2 screws.

c.Connect the 2 antenna cables to the new Wi-Fi card.

Step 9. Reattach the computer cover.

Replacing the front USB/card reader/audio module

Note: For this procedure, it helps to lay the computer flat.

To replace the the front USB/card reader/audio module:

42Lenovo H520sHardware Maintenance Manual

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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 Safety information General safetyElectrical 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 EnvironmentLenovo H520sHardware Maintenance Manual General Checkout Lenovo H520sHardware Maintenance Manual Using the Setup Utility Starting the Lenovo Bios Setup Utility programViewing and changing settings Using passwordsAdministrator Password Setting, changing, or deleting an Administrator passwordSetting, changing, or deleting a Power-On Password Enabling or disabling a device Select Save changes and Exit from the menuSelecting 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 Symptom-to-FRU Index Hard disk drive boot errorPower 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 Replacing the keyboard and mouse Removing the computer coverTo 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 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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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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