1. Setup and Installation
This section provides instructions for the proper installation of your Lenovo LZ3C MB(W8) DIS 2G motherboard into a compatible computer chassis.
1.1 Safety Precautions
- Always disconnect the power supply from the wall outlet before installing or removing any components.
- Wear an anti-static wrist strap to prevent electrostatic discharge (ESD) damage to sensitive components.
- Handle the motherboard by its edges to avoid touching components or circuits.
1.2 Motherboard Layout Overview
Familiarize yourself with the main components and connectors on the motherboard before installation.

Figure 1: Overview of the Lenovo LZ3C MB(W8) DIS 2G Motherboard. This image displays the general layout of the motherboard, highlighting key areas such as the CPU socket, RAM slots, and various connectors.
1.3 Component Installation Steps
- Install the CPU: Carefully open the CPU socket lever, align the CPU with the socket's notch, and gently place it into the socket. Close the lever to secure the CPU.
- Install the CPU Cooler: Apply thermal paste (if not pre-applied) and mount the CPU cooler according to its manufacturer's instructions. Connect the CPU fan cable to the designated header on the motherboard.
- Install RAM Modules: Open the clips on the DIMM slots. Align the RAM modules with the slots and press down firmly until the clips snap into place. Refer to your motherboard manual for proper dual-channel configuration.
- Mount the Motherboard: Place the motherboard into the computer chassis, aligning it with the standoffs. Secure the motherboard with screws.
- Connect Power Supply: Connect the 24-pin ATX power connector and the 8-pin (or 4-pin) CPU power connector from your power supply to the motherboard.
- Connect Storage Devices: Connect SATA data cables from your storage drives (HDD/SSD) to the SATA ports on the motherboard. Connect the corresponding power cables from the power supply.
- Connect Front Panel Cables: Connect the power button, reset button, USB ports, audio jacks, and LED indicators from the chassis front panel to the appropriate headers on the motherboard. Refer to the motherboard's silkscreen labels for correct orientation.
- Install Expansion Cards: Insert any necessary expansion cards (e.g., graphics card, network card) into the PCIe slots and secure them with screws. Connect auxiliary power to graphics cards if required.
2. Operating Instructions
This section covers the initial boot process and basic system configuration for your Lenovo LZ3C MB(W8) DIS 2G motherboard.
2.1 Initial System Boot
After all components are installed and connected, ensure all cables are secure. Connect your monitor, keyboard, and mouse. Press the power button on your computer chassis.
- The system should power on, and you should see the Lenovo logo or BIOS/UEFI splash screen.
- If the system does not power on, refer to the Troubleshooting section.
2.2 Accessing BIOS/UEFI Setup
The BIOS (Basic Input/Output System) or UEFI (Unified Extensible Firmware Interface) is the firmware that initializes hardware during the boot process and provides runtime services for the operating system. To access the setup utility:
- During the initial boot sequence, repeatedly press the designated key (commonly Del, F2, F10, or F12). The exact key may be displayed on the screen during startup.
- Within the BIOS/UEFI, you can configure boot order, system time, hardware settings, and other advanced options.
- Save any changes before exiting the BIOS/UEFI setup.
2.3 Operating System Installation
Once the hardware is correctly configured in BIOS/UEFI, you can proceed with installing your preferred operating system (e.g., Windows, Linux). Boot from your installation media (USB drive or DVD) and follow the on-screen instructions.
3. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your Lenovo LZ3C MB(W8) DIS 2G motherboard and the entire system.
3.1 Dust Cleaning
- Periodically clean dust from inside your computer chassis, especially from fans and heatsinks.
- Use compressed air to blow dust away from components. Hold fans to prevent them from spinning excessively during cleaning.
- Ensure the system is powered off and unplugged before cleaning.
3.2 BIOS/UEFI Updates
- Check the official Lenovo support website for BIOS/UEFI updates. Updates can improve stability, add new features, or fix bugs.
- Follow the update instructions provided by Lenovo carefully. Incorrect BIOS/UEFI updates can render the motherboard inoperable.
3.3 Thermal Paste Replacement
If you notice high CPU temperatures, consider reapplying thermal paste between the CPU and its heatsink. This is an advanced maintenance task and should only be performed if you are comfortable with the procedure.
4. Troubleshooting
This section provides solutions to common issues you might encounter with your Lenovo LZ3C MB(W8) DIS 2G motherboard.
4.1 System Does Not Power On
- Check Power Connections: Ensure the 24-pin ATX and 8-pin CPU power cables are securely connected to the motherboard and power supply.
- Power Supply Test: Verify that the power supply unit (PSU) is functioning correctly. You can test it independently or try a known working PSU.
- Front Panel Connections: Double-check that the power button cable from the chassis is correctly connected to the motherboard's front panel header.
4.2 No Display Output
- Monitor Connection: Ensure the monitor is properly connected to the graphics card (or integrated graphics port) and powered on.
- RAM Reseat: Remove and reinsert the RAM modules to ensure they are seated correctly. Try booting with only one RAM module.
- Graphics Card: If using a dedicated graphics card, ensure it is properly seated in its PCIe slot and any required auxiliary power cables are connected.
4.3 System Beeps During Startup (POST Codes)
Motherboards often use a series of beeps (POST codes) to indicate hardware issues during startup. Refer to the motherboard's specific beep code documentation (often found on the Lenovo support website) to diagnose the problem. Common beep codes relate to RAM, CPU, or graphics card issues.
4.4 Operating System Not Booting
- Boot Order: Check the boot order in BIOS/UEFI to ensure the system is attempting to boot from the correct storage device.
- Storage Device: Verify that your storage drive (HDD/SSD) is detected in BIOS/UEFI and is properly connected.
- OS Installation: If the operating system is newly installed, ensure the installation process completed successfully.
5. Specifications
Key technical specifications for the Lenovo LZ3C MB(W8) DIS 2G motherboard.
| Feature | Detail |
|---|---|
| Brand | Lenovo |
| Model | LZ3C MB(W8) DIS 2G |
| Part Number (FRU) | 90000910 |
| ASIN | B07RSK2TDT |
| First Available Date | January 12, 2021 |
| Software Updates Guaranteed Until | Unknown |
6. Warranty and Support
This section provides general information regarding product warranty and how to obtain support for your Lenovo LZ3C MB(W8) DIS 2G motherboard.
6.1 Product Warranty
Lenovo products typically come with a limited warranty. The specific terms and duration of the warranty for your LZ3C MB(W8) DIS 2G motherboard may vary by region and point of purchase. Please refer to the warranty documentation included with your product or visit the official Lenovo support website for detailed warranty information.
6.2 Technical Support
For technical assistance, driver downloads, or further troubleshooting, please visit the official Lenovo Support website. You will typically need your product's model number (LZ3C MB(W8) DIS 2G) or part number (FRU90000910) to find relevant support resources.
Lenovo Support Website: https://support.lenovo.com/





