How to Fix BCM43684B1KRFBG Disconnecting from Networks on Windows
The issue of the BCM43684B1K RF BG Wi-Fi adapter disconnecting from networks on Windows can be caused by various factors. Let's break down the possible reasons and provide a step-by-step solution to fix this issue.
Potential Causes of the Problem:
Outdated or Corrupt Wi-Fi Drivers : One of the most common reasons for frequent disconnections is outdated or corrupt Drivers for the BCM43684B1KRFBG network adapter. Power Management Settings: Windows Power Management settings might be causing the Wi-Fi adapter to turn off or limit its performance to save battery. Interference from Other Devices: Other wireless devices or routers operating on the same channel may cause interference, leading to disconnections. Windows Network Settings: Misconfigured network settings or incorrect network protocols could also cause connectivity issues. Hardware Issues: Although less common, it is possible that the Wi-Fi adapter itself or the router could be malfunctioning.Step-by-Step Solution to Fix the Issue:
Step 1: Update Wi-Fi Drivers Open Device Manager: Press the Windows key + X and select Device Manager. Locate Network Adapters: In Device Manager, expand the Network Adapters section. Update Driver: Right-click on BCM43684B1KRFBG (your Wi-Fi adapter) and select Update Driver. Search Automatically: Choose Search automatically for updated driver software and allow Windows to check for the latest drivers online. If any updates are found, follow the prompts to install them. Step 2: Adjust Power Management Settings Open Device Manager again. Find the Wi-Fi Adapter: Right-click on BCM43684B1KRFBG under Network Adapters. Access Properties: Select Properties. Go to the Power Management Tab: In the Properties window, go to the Power Management tab. Uncheck the Power Saving Option: Uncheck Allow the computer to turn off this device to save power. Click OK to apply the changes. Step 3: Change the Wireless Channel on Your Router Log in to Your Router: Open a web browser and type in your router’s IP address (usually 192.168.1.1 or 192.168.0.1). Access Wireless Settings: Locate the wireless settings (this varies depending on your router's model). Change Wireless Channel: Set the Wi-Fi channel to either 1, 6, or 11, which are the most common and least likely to cause interference. Save Settings and reboot the router. Step 4: Reset TCP/IP Stack Open Command Prompt as Administrator: Press Windows key + X and choose Command Prompt (Admin) or Windows PowerShell (Admin). Reset the TCP/IP Stack: In the command prompt, type: netsh int ip reset Restart Your PC: After resetting the TCP/IP stack, restart your computer to apply the changes. Step 5: Disable Bluetooth or Other Interfering Devices Turn Off Bluetooth: Sometimes Bluetooth devices can interfere with Wi-Fi signals. Turn off Bluetooth on your PC or disconnect Bluetooth devices temporarily to see if the disconnections stop. Move Other Devices: If possible, move devices like cordless phones or microwave ovens that may interfere with the wireless signal away from your router and PC. Step 6: Check for Windows Updates Open Settings: Click on the Start menu and then the Settings icon. Go to Update & Security: Click on Update & Security. Check for Updates: Select Check for updates and install any pending updates. Windows updates may include fixes for network adapter issues. Step 7: Reinstall the Network Adapter Open Device Manager again. Uninstall the Wi-Fi Adapter: Right-click on BCM43684B1KRFBG under Network Adapters and select Uninstall device. Restart Your PC: Windows will automatically reinstall the driver upon reboot. Step 8: Test the Router or Replace It Test Your Router: If the issue persists after trying all of the above steps, test your Wi-Fi connection on another device. If other devices also disconnect, the problem might be with your router. Reset or Replace Router: You can try resetting the router to factory settings or consider replacing it if it's faulty.Conclusion
By following these steps, you should be able to resolve the BCM43684B1KRFBG Wi-Fi adapter disconnection issue on your Windows PC. Start with updating the driver and adjusting power settings, then troubleshoot further by checking for interference or resetting network settings. If the problem persists, a hardware issue might be the cause, and you may need to test with a different router or network adapter.