Lenovo 31502552, H520S, H505S, 57312710, 57311365, 4746, 3230, 2561, 10093 Replacing a memory module

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6.Remove the 4 screws that secure the hard disk drive to the bay.

7.Slide the hard disk drive out of the bay.

8. Install the new hard disk drive.

(1)Insert the new hard disk drive into the drive bay.

(2)Screw back the 4 screws on the drive bay.

9.Attach the data and power cables to the new hard disk drive.

10.Line up the hard disk drive bay, then slide it in. Reattach it to the chassis with the screws.

11.Reattach the optical drive disk bay. Refer to “Replacing an optical drive”

12.Reattach the front bezel. Refer to “Removing the front bezel”.

13.Refer to “Completing the installation”.

Replacing a memory module

Attention: Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at http://support.lenovo.com.

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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 computerOpening other system programs Closing an appWindows Help and Support User Guide Using the Rescue System OneKey Recovery Method 1 Automatic Installation Driver and Application InstallationMethod 2 Manual 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 requiredLocations Locating components and connectorsHandling static-sensitive devices 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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