Broadcom DW1390 BCM94311MCG Mini-PCIe Wireless G Card User Manual

1. Introduction

This manual provides essential information for the installation, operation, and maintenance of your Broadcom DW1390 BCM94311MCG Mini-PCIe Wireless G Card. This internal component is designed to provide wireless network connectivity to compatible laptop systems.

2. Compatibility

The Broadcom DW1390 BCM94311MCG Mini-PCIe Wireless G Card is compatible with various Dell laptop models. Please review the list below to ensure your system is supported:

• Dell Inspiron Series: 6400, 9400, e1405, e1505, e1705, 1420, 1520, 1521, 1525, 1526, 1720, 1721, 1501, 640m, 1318
• Dell Latitude Series: D420, D430, D520, D530, D531, D620, D630, D631, D820, D830
• Dell Precision Series: M65, M90, M2300, M4300, M6300
• Dell XPS Series: M1210, M1330, M1530, M1710, M1730, M2010

Note: This Wireless Card is not compatible with IBM/Lenovo/Thinkpad and HP version laptops.

3. Setup and Installation

Installation of the Mini-PCIe Wireless G Card requires opening your laptop. If you are not comfortable performing this procedure, please consult a qualified technician.

3.1 Safety Precautions

• Always power off your laptop and disconnect the AC adapter and battery before beginning installation.
• Discharge any static electricity by touching a grounded metal object before handling internal components.
• Use appropriate tools to avoid damaging your laptop or the card.

3.2 Installation Steps

1. Prepare Laptop: Power off your laptop, disconnect all cables, and remove the battery.
2. Access Mini-PCIe Slot: Carefully open the laptop's access panel, typically located on the bottom, to expose the internal components. Refer to your laptop's service manual for specific instructions on locating the Mini-PCIe slot.
3. Insert Card: Align the Broadcom DW1390 BCM94311MCG card with the Mini-PCIe slot. Gently push the card into the slot at an angle until it is fully seated.
4. Secure Card: Press the card down until the retaining clips or screws secure it in place.
5. Connect Antennas: Carefully connect the antenna cables (usually black and white) to the corresponding connectors on the wireless card. Ensure they are securely snapped into place.
6. Reassemble Laptop: Replace the access panel, reinsert the battery, and reconnect the AC adapter.
7. Power On: Power on your laptop. The operating system should detect the new hardware.

Figure 1: Front view of the Broadcom DW1390 BCM94311MCG Mini-PCIe Wireless G Card, showing the Broadcom chip and WLAN label.

Figure 2: Back view of the Broadcom DW1390 BCM94311MCG Mini-PCIe Wireless G Card, displaying regulatory markings and serial number.

3.3 Driver Installation

Upon first boot after installation, your operating system may automatically detect and install the necessary drivers. If not, you may need to manually install them:

• Windows: Check Device Manager for unrecognized devices. You may need to download drivers from the Dell support website for your specific laptop model, or from the Broadcom website if available.
• Linux: Most modern Linux distributions include Broadcom drivers. If not, consult your distribution's documentation for installing proprietary Broadcom wireless drivers.

4. Operating Instructions

Once the card is installed and drivers are functioning correctly, you can connect to wireless networks.

4.1 Connecting to a Wireless Network

1. Enable Wi-Fi: Ensure your laptop's Wi-Fi function is enabled (often via a physical switch or keyboard shortcut).
2. Access Network Settings: Open your operating system's network settings or Wi-Fi menu.
3. Select Network: A list of available wireless networks will appear. Select your desired network (SSID).
4. Enter Password: If the network is secured, enter the network security key (password) when prompted.
5. Connect: Click 'Connect' to establish a connection.

4.2 Network Status Indicators

Your operating system's network icon (usually in the system tray or notification area) will indicate the status of your wireless connection. Look for a Wi-Fi symbol to confirm connectivity.

5. Maintenance

To ensure optimal performance and longevity of your wireless card:

• Driver Updates: Periodically check for updated drivers from Dell or Broadcom. Keeping drivers current can improve performance and resolve compatibility issues.
• System Ventilation: Ensure your laptop has adequate ventilation to prevent overheating, which can affect all internal components, including the wireless card.
• Physical Inspection: If you experience persistent issues, a physical inspection of the card and antenna connections (following safety precautions) may be warranted.

6. Troubleshooting

If you encounter issues with your Broadcom DW1390 BCM94311MCG Wireless G Card, consider the following troubleshooting steps:

• No Wi-Fi Networks Detected:
  • Ensure Wi-Fi is enabled on your laptop (physical switch or software setting).
  • Verify that the wireless card drivers are correctly installed in Device Manager (Windows) or network settings (Linux).
  • Restart your laptop.
• Slow or Intermittent Connection:
  • Move closer to your wireless router or access point.
  • Check for interference from other electronic devices.
  • Update your wireless card drivers.
  • Restart your wireless router.
• Connection Drops Frequently:
  • Ensure antenna cables are securely connected to the card.
  • Check for driver conflicts or power management settings that might be turning off the card.
  • Test with another wireless network if possible.
• Card Not Recognized by OS:
  • Re-seat the card in its Mini-PCIe slot to ensure proper physical connection.
  • Verify compatibility with your laptop model (refer to Section 2).
  • Check your laptop's BIOS/UEFI settings to ensure the Mini-PCIe slot is enabled.

7. Specifications

Technical specifications for the Broadcom DW1390 BCM94311MCG Mini-PCIe Wireless G Card:

8. Warranty and Support

This product is typically covered by a 90-day warranty from the seller, unless otherwise specified. This warranty generally covers Dead on Arrival (DOA) issues. For specific warranty details and support, please refer to the terms provided by your point of purchase.

For technical assistance or further inquiries, please contact the seller or refer to the support resources available for your specific laptop model from Dell.