Lenovo 31502552, H520S, H505S, 57312710, 57311365, 4746, 3230, 2561 manual Troubleshooting Audio Problems

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Problem: Ripple on screen.

Troubleshooting and problem resolution:

1.Check to see if any of the following devices are located less than one meter from the computer: refrigerators, electric fans, electric dryers, UPS systems, regulators, fluorescent lamps or other computers that may be generating magnetic interference.

2.Move any interfering devices away from the computer.

3.If the problem persists, contact Lenovo Service.

Troubleshooting Audio Problems

Problem: No sound from the integrated speakers.

Troubleshooting and problem resolution:

•Adjust the Windows volume control — select the speaker icon from the

Settings Charm or click the arrow on taskbar to show the hidden icons in Windows desktop mode, then click the speaker icon. Ensure that the volume is turned up and the sound is not muted. Adjust the volume, bass, or treble controls to eliminate distortion.

•Reinstall the audio driver.

•Disconnect any headphones from the headphone connector — sound from the speakers is automatically disabled when headphones are connected to the computer’s side-panel headphone connector.

Problem: No sound from headphones.

Troubleshooting and problem resolution:

•Check the headphone cable connection — ensure that the headphone cable is securely inserted into the headphone connector.

•Adjust the Windows volume control — select the speaker icon from the

Settings Charm or click the arrow on taskbar to show the hidden icons in Windows desktop mode, then click the speaker icon. Ensure that the volume is turned up and the sound is not muted.

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Contents H5s Series Important Safety Information Page Contents Hardware Replacement Guide Using the Computer Hardware Front view of the chassis Rear view of the chassis User Guide Connecting your computer Basic connector instructions Connector Description MicrophoneAudio configuration instructions Connecting the power cord How to play Blu-ray Discs selected models only Wired keyboard selected models onlyConnecting to the Internet Using Windows Charms Bar Switching between the main Windows 8 interfacesSwitching between apps Shutting down the computerWindows Help and Support Closing an appOpening other system programs User Guide Using the Rescue System OneKey Recovery Method 2 Manual Installation Driver and Application InstallationMethod 1 Automatic Installation User Guide Troubleshooting Confirming Setup Solving Problems Troubleshooting Display ProblemsTroubleshooting Audio Problems Troubleshooting Software Problems Troubleshooting Problems with Optical Drives and Hard Disks Special considerations for troubleshooting Windows Bios setup utility Performing Daily Maintenance TasksUser Guide Hardware Replacement Guide Safety information for replacing CRUs OverviewAdditional information resources Tools requiredHandling static-sensitive devices Locating components and connectorsLocations Internal components Power supply Identifying parts on the system board Microprocessor and heat sink Memory slots General information Pre-disassembly instructionsReplacing hardware Removing the computer coverUser Guide Removing the front bezel To remove the front bezelReplacing an optical drive To replace an optical driveUser Guide Replacing the hard disk drive To replace the hard disk driveReplacing a memory module To replace a memory module Replacing the keyboard and the mouse Completing the installationTo complete the part installation To replace the keyboardUser Guide Appendix DeclarationTrademarks Energy Star Statement 4746 3230Enabling ErP compliance mode
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57312710, 31502552, 3230, 2561, 57311365 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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