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The Lian-Li LANCOOL II Mesh RGB is a high-performance ATX computer case designed for optimal airflow and aesthetic appeal. It features a mesh front panel for superior ventilation, tempered glass side panels for showcasing internal components, and three pre-installed 120mm ARGB fans for vibrant lighting and efficient cooling. This case supports a wide range of motherboard sizes and offers flexible options for component installation and cable management.

Figura 1: Fronte view of the Lian-Li LANCOOL II Mesh RGB case, highlighting the mesh front panel and illuminated ARGB fans.
Características clave
- Fluxo de aire optimizado: Mesh front panel and strategic fan placements ensure excellent ventilation.
- Ventiladores ARGB preinstalados: Includes three 120mm 3-pin 1300 RPM ARGB fans for out-of-the-box cooling and customizable lighting.
- Paneis de vidro temperado: Both side panels are made of 4.0mm tempered glass, offering a clear view of your build.
- Versatile Motherboard Support: Compatible with E-ATX (width: under 280mm), ATX, M-ATX, and ITX motherboards.
- Amplamente opcións de refrixeración: Supports multiple fan and radiator configurations, including up to 360mm radiators in the front and 240mm at the top.
- Almacenamento flexible: Features dedicated bays for 2.5" SSDs (2 behind MB tray, 2 behind right-side shroud) and 3.5" HDDs/2.5" SSDs (3 in hard drive cage).
- Convenient I/O Ports: Front I/O includes 2 x LED Control Buttons (M & C), 1 x TRRS AUDIO, 2 x USB 3.0, and an optional 1 x USB 3.1 TYPE-C.
- Fácil mantemento: Equipped with magnetic dust filters on the top, front panel, and bottom for simple cleaning.
- Acceso sen ferramentas: Side panels and bottom shroud open easily for convenient installation and maintenance.

Figure 2: The LANCOOL II Mesh RGB case with its hinged tempered glass side panels and bottom shroud open, revealing the spacious interior and drive cages.
Guía de configuración
1. Desembalaxe
Carefully remove the LANCOOL II Mesh RGB case from its packaging. Inspect the case for any signs of damage during transit. Retain the packaging materials for future transport or storage.
2. Instalación de compoñentes ao longoview
The LANCOOL II Mesh RGB is designed for user-friendly component installation. Most panels and drive cages are easily accessible. Ensure you have all necessary tools, including a Phillips head screwdriver, and your computer components ready before beginning installation.

Figura 3: Traseira view of the LANCOOL II Mesh RGB case, illustrating the cable management channels and tie-down points behind the motherboard tray.
2.1. Instalación da placa base
- Open the tempered glass side panel by gently pulling it outwards from the rear.
- Install the I/O shield provided with your motherboard into the rear opening of the case.
- Align your motherboard with the standoffs inside the case. The LANCOOL II Mesh RGB comes with pre-installed standoffs for ATX motherboards. Adjust or add standoffs as needed for E-ATX, M-ATX, or ITX.
- Fixe a placa base cos parafusos axeitados.
2.2. Instalación da fonte de alimentación (PSU)
- Remove the PSU bracket from the rear of the case.
- Attach the PSU to the bracket using the screws provided with your PSU.
- Slide the PSU and bracket assembly into the PSU shroud at the bottom rear of the case. Ensure the PSU fan is oriented downwards for optimal airflow.
- Fixe o soporte á caixa cos parafusos de cabeza moleteada.
2.3. Instalación da unidade
- 2.5" SSDs (Behind MB Tray): Two 2.5" SSD mounts are located behind the motherboard tray. Secure SSDs with screws.
- 3.5" HDDs / 2.5" SSDs (Hard Drive Cage): The hard drive cage at the bottom front supports three 3.5" HDDs or 2.5" SSDs. Pull out the drive trays, mount your drives, and slide the trays back in.
- 2.5" SSDs (Behind Right-side Shroud Panel): Two additional 2.5" SSD mounts are available behind the right-side shroud panel.
2.4. Instalación do ventilador e do radiador
The LANCOOL II Mesh RGB offers extensive fan and radiator support:
- Fronte: Supports 3 x 120mm or 2 x 140mm fans, or 1 x 360/280/240mm radiator.
- Arriba: Supports 2 x 120/140mm fans, or 1 x 240mm radiator (aligned to the left).
- Traseira: Admite 1 ventilador de 120 mm.
- Above PSU Chamber: Admite 2 ventiladores de 120 mm.
Ensure proper airflow direction (intake/exhaust) for optimal cooling performance.

Figure 4: The front of the LANCOOL II Mesh RGB case with the mesh panel removed, exposing the three pre-installed 120mm fans and mounting points for additional cooling.
2.5. Xestión de cables
The LANCOOL II Mesh RGB features integrated cable management solutions, including channels and tie-down points behind the motherboard tray and a hinged shroud panel to conceal PSU cables. Route all cables neatly to improve airflow and aesthetics.
Instrucións de funcionamento
1. Acendido
After all components are securely installed and cables are connected, close all panels. Connect your monitor, keyboard, mouse, and power cable to the PSU. Press the power button on the top I/O panel to start your system.
2. Control da iluminación RGB
The pre-installed ARGB fans can be controlled via the dedicated LED control buttons (M & C) on the front I/O panel. The 'M' button cycles through various lighting modes, while the 'C' button changes colors within a mode. Alternatively, if connected to a compatible motherboard's ARGB header, you can synchronize the lighting with your motherboard's software (e.g., ASUS Aura Sync, MSI Mystic Light Sync, GIGABYTE RGB Fusion, ASRock Polychrome Sync).
Mantemento
1. Limpeza do filtro de po
To maintain optimal airflow and prevent dust buildup, regularly clean the magnetic dust filters:
- Filtro superior: Easily removable magnetic filter on the top panel.
- Front Panel Filter: Located behind the mesh front panel, also magnetic.
- Filtro inferior: A tray-style filter located under the PSU chamber, slides out from the rear.
Gently remove the filters and clean them with a soft brush or by rinsing with water (ensure they are completely dry before re-installing).
2. Limpeza xeral
For the exterior, use a soft, damp cloth to wipe down surfaces. For the tempered glass panels, use a glass cleaner and a microfiber cloth. Avoid abrasive cleaners or solvents that could damage the finish.
Resolución de problemas
If you encounter issues with your LANCOOL II Mesh RGB case, consider the following common troubleshooting steps:
- O sistema non se acende:
- Ensure the PSU is properly seated and secured.
- Verify all power cables (24-pin ATX, CPU, GPU, SATA) are firmly connected to the motherboard, components, and PSU.
- Comprobe que o cable do interruptor de alimentación do panel frontal estea conectado correctamente ao conector do panel frontal da placa base.
- Confirm the PSU's power switch is in the 'ON' position.
- Os ventiladores non xiran / Os RGB non funcionan:
- Check that the fan power cables are securely connected to the motherboard or fan controller.
- Ensure the ARGB cables are properly connected to the motherboard's ARGB header or the case's integrated RGB controller.
- If using motherboard software for RGB control, ensure the software is installed and configured correctly.
- Fluxo de aire deficiente / Temperaturas elevadas:
- Clean all dust filters regularly.
- Verify that fans are installed with the correct airflow direction (intake for front/bottom, exhaust for rear/top).
- Ensure no cables are obstructing airflow paths inside the case.
For persistent issues, consult your motherboard's manual for specific header layouts and power connections, or visit the Lian Li support websitio.
Especificacións
| Característica | Especificación |
|---|---|
| Modelo | LANCOOL II MESH RGB BLK |
| Soporte de placa base | E-ATX (width: under 280mm), ATX, M-ATX, ITX |
| Materiais | 0.8mm SGCC (Exterior, MB tray, interior), 4.0mm Tempered Glass (both sides) |
| Fans incluídos | 3 x 120mm 3-PIN 1300 RPM ARGB fans (front) |
| Soporte do ventilador (frontal) | 3 x 120 mm ou 2 x 140 mm |
| Apoio dos fans (arriba) | 2 x 120/140 mm |
| Soporte do ventilador (traseiro) | 1 x 120 mm |
| Fan Support (Above PSU Chamber) | 2 x 120 mm |
| Soporte do radiador (frontal) | 1 x 360/280/240mm |
| Soporte do radiador (superior) | 1 x 240mm (aligned to the left) |
| VGA Length Clearance | 384 mm |
| Liquidación do refrigerador da CPU | 176 mm |
| Compartimentos para unidades (SSD de 2.5") | 2 (behind MB Tray) + 2 (behind right-side shroud panel) |
| Drive Bays (3.5" HDD / 2.5" SSD) | 3 (Hard Drive Cage) |
| Portos de E/S | 2 x LED Control Buttons (M & C), 1 x TRRS AUDIO, 2 x USB 3.0, 1 x USB 3.1 TYPE-C (Optional) |
| Filtros de po | 1 x Top (magnetic), 1 x Front Panel (magnetic), 1 x Bottom (tray) |
| Dimensións (D x W x H) | 478 mm x 229 mm x 494 mm (18.8 x 9.01 x 19.4 polgadas) |
| Peso do elemento | 27.4 libras |

Figure 5: Diagram showing the key dimensions of the Lian-Li LANCOOL II Mesh RGB case.
Garantía e Soporte
This Lian-Li product comes with a standard manufacturer's warranty. For detailed information regarding warranty terms, conditions, and duration, please refer to the warranty card included with your product or visit the official Lian Li websitio. A cobertura da garantía adoita incluír defectos de materiais e man de obra en condicións de uso normal.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact Lian Li customer service or visit their official support portal. You can find the most up-to-date support information and resources on the official LIAN LI websitio:
Please have your product model number (LANCOOL II MESH RGB BLK) and purchase information ready when contacting support.