1. Introducción
This manual provides essential information for the installation, operation, and maintenance of the Broadcom BCM94313HMG2L Half Mini PCI-e WLAN Wireless Card. This card is designed to provide wireless connectivity for compatible laptop systems, specifically noted for compatibility with the Lenovo G560 model.
Key features of this wireless card include:
- BroadCom Half Mini PCI-e WLAN Wifi Card
- Model: BCM94313HMG2L
- Part Number (P/N): WPEB-121GN
- Compatible with: Lenovo G560
2. Configuración e instalación
Installing the Broadcom BCM94313HMG2L wireless card requires careful handling and adherence to safety procedures. It is recommended that installation be performed by individuals familiar with computer hardware components.
2.1 Precauciones de seguridad
- Always disconnect the laptop from its power source and remove the battery before opening the chassis.
- Descargue la electricidad estática tocando un objeto metálico conectado a tierra antes de manipular los componentes internos.
- Use appropriate tools to avoid damaging the laptop or the wireless card.
- Refer to your laptop's specific service manual for detailed instructions on accessing the Mini PCI-e slot.
2.2 pasos de instalación
- Prepare la computadora portátil: Apague su computadora portátil, desconecte el adaptador de CA y retire la batería.
- Access the Mini PCI-e Slot: Carefully open the laptop's access panel, typically located on the bottom, to expose the internal components, including the Mini PCI-e slot. Consult your laptop's manual for exact location and opening procedure.
- Eliminar tarjeta existente (si corresponde): If replacing an existing wireless card, gently disconnect any antenna cables and unscrew the retaining screw. Carefully slide the old card out of the slot.
- Inserte la nueva tarjeta: Align the Broadcom BCM94313HMG2L card with the Mini PCI-e slot. Insert the card at a slight angle (approximately 30 degrees) and push it firmly until it is seated.
- Asegure la tarjeta: Gently push the card down until it is parallel with the motherboard. Secure it with the retaining screw.
- Conectar los cables de antena: Carefully attach the antenna cables to the corresponding connectors on the wireless card. Typically, there are two connectors labeled 'MAIN' and 'AUX' or '1' and '2'. Ensure a secure connection.
- Volver a montar: Close the access panel, reinsert the battery, and reconnect the AC adapter.

Imagen 1: Frente view of the Broadcom BCM94313HMG2L Half Mini PCI-e WLAN Wireless Card. The label displays the model number BCM94313HMG2L, part number WPEB-121GN, and MAC address 002682448F6A. It also indicates "Product of China". This view shows the main chip and the two antenna connectors at the top.

Imagen 2: Atrás view of the Broadcom BCM94313HMG2L Half Mini PCI-e WLAN Wireless Card. This side shows various regulatory compliance markings such as CE 0984, N12075, CCAB09LP4390T8, FCC ID: QDS-BRCM1050, and IC: 4324A-BRCM1050. It also reiterates the model BCM-BCM94313HMG2L.
3. Instrucciones de funcionamiento
After physical installation, the operating system needs to recognize and utilize the wireless card.
3.1 Instalación del controlador
- Encendido: Start your laptop. The operating system should detect new hardware.
- Instalar controladores:
- Instalación automática: Modern operating systems (e.g., Windows, Linux) may automatically install generic drivers.
- Instalación manual: If drivers are not automatically installed, you may need to download them from the Broadcom website or your laptop manufacturer's support page (e.g., Lenovo support for G560). Buscar drivers specific to the BCM4313 chipset or BCM94313HMG2L model.
- Verificar instalación: Open Device Manager (Windows) or equivalent system information tool (Linux) and check under "Network adapters" to ensure the Broadcom wireless card is listed and functioning correctly without any error symbols.
3.2 Conexión a una red inalámbrica
- Habilitar Wi-Fi: Ensure your laptop's Wi-Fi function is enabled (often via a physical switch or keyboard shortcut).
- Buscar redes: Use your operating system's network settings to scan for available wireless networks.
- Seleccionar y conectar: Choose your desired network from the list, enter the security key (password) if prompted, and connect.
4. Mantenimiento
Proper maintenance ensures optimal performance and longevity of your wireless card.
- Actualizaciones de controladores: Periodically check for updated drivers from Broadcom or your laptop manufacturer. Updated drivers can improve performance, stability, and security.
- Cuidado físico: Keep the laptop's internal environment clean and free of dust to prevent overheating and component degradation. Avoid exposing the laptop to extreme temperatures or humidity.
5. Solución de problemas
If you encounter issues with your wireless card, refer to the following troubleshooting steps:
5.1 Card Not Detected or Not Functioning
- Vuelva a comprobar la instalación: Ensure the card is properly seated in the Mini PCI-e slot and the retaining screw is secure.
- Conexiones de antena: Verify that the antenna cables are securely attached to the card.
- Estado del conductor: Check Device Manager. If there's an exclamation mark or error, try reinstalling the drivers.
- Configuración de BIOS/UEFI: Some laptops have an option in the BIOS/UEFI to enable or disable wireless devices. Ensure it is enabled.
5.2 Unable to Connect to Wi-Fi / Slow Connection
- Wi-Fi habilitado: Confirm that Wi-Fi is enabled on your laptop.
- Contraseña de red: Double-check the Wi-Fi network password.
- Proximidad del enrutador: Move closer to the wireless router to rule out signal strength issues.
- Reinicio del enrutador: Reinicie su enrutador inalámbrico y módem.
- Actualización del controlador: Ensure you have the latest drivers installed for the wireless card.
- Interferencia: Other electronic devices can cause interference. Try changing the Wi-Fi channel on your router.
6. Especificaciones
| Marca | Broadcom |
| Modelo | BCM94313HMG2L (BCM4313 Chipset) |
| Número de pieza | WPEB-121GN |
| Interfaz de hardware | Medio Mini PCI-e |
| Protocolo de enlace de datos | Wi-Fi (WLAN), Bluetooth |
| Dispositivos compatibles | Laptop (specifically Lenovo G560) |
| Dimensiones del paquete | 1.97 x 1.18 x 0.2 pulgadas |
| Fabricante | Broadcom |
7. Garantía y soporte
For warranty information and technical support, please refer to the documentation provided by your seller or the original equipment manufacturer (OEM) of your laptop. As this product is often sold as a replacement part, warranty terms may vary. It is advisable to retain your purchase receipt for any warranty claims.

Imagen 3: The Broadcom BCM94313HMG2L wireless card typically comes in an anti-static bag, as shown. This packaging protects the sensitive electronic components from electrostatic discharge during shipping and handling. The label on the bag may contain supplier information and compliance marks.





