219 If you are facing the 802.11 n WLAN USB adapter not working issue, then try out the different solutions shared in this article. It is known that the Broadcom 802.11n network device can give you a lot of trouble when you try to connect to the internet. It’s common for these issues to happen when the driver software is out of date, the 802.11 n WLAN USB Adapter Driver is corrupted for any reason, the data is messed up, etc. Because every machine is different, the conditions under which this happens are also different. It’s not necessary that this problem only happens under certain conditions. After a lot of study and testing, we’ve found several ways to get around the problem. In order to start with the first answer and work your way down. Table of Contents Methods to Fix WLAN Adapter Not Working IssueMethod1: Run The Windows TroubleshooterMethod2: Update The DriversMethod3: Check The Registry SettingsWrapping Up the Methods to Fix 802.11n WLAN Adapter Not Working Error Methods to Fix WLAN Adapter Not Working Issue Below we have shared some of the most effective solutions that you can practice to get rid of this issue instantly. Method1: Run The Windows Troubleshooter Using the Network Adapter Troubleshooter might be a good first step. There is a built-in collection of troubleshooters in Windows that can fix a variety of issues. We may see whether this troubleshooter finds and resolves any issues by running it. The setup of several adapters is often the source of trouble. In most cases, the problem goes away once Windows correctly resets the adapter. Here are some steps that will help you with the process. Step1: Click on the Start menu and search for the Settings in it. Step2: On the Settings window, go to the Update & Security settings section. Step3: Choose the Troubleshoot tab from the left-hand side pane. Then, on the right-hand side, click on the Additional Troubleshooters button. Step4: Now, look for the Network Adapter option and click on it to expand it. Step5: Click on the Run the troubleshooter button to start the process. Step6: Wait for some time, till your computer searches for the factor causing the issue. Step7: Next, follow the instructions on the setup wizard window to complete the process properly. After completing the troubleshooting process, your computer will restart. Check to see if this fixes your problem, if not, move on to the next method. Method2: Update The Drivers Whenever this problem arises, the likelihood that you have installed the wrong drivers is almost disregarded. With Windows Update, Windows keeps all drivers up-to-date automatically. Perhaps your Broadcom hardware isn’t compatible with the driver that’s currently installed on your PC. To see if this helps, we can update the drivers and see what happens. Follow the steps below as they will guide you through the entire process. Step1: Type Control Panel in the taskbar’s search bar and press the Enter key on your keyboard. Step2: Select the Large icons option from the dropdown menu. Then, click on the Device Manager tool and it will open a new window on your screen. Step3: Now, look for the Network adapter option and expand it by clicking on the arrow icon next to it. Step4: Right-click on the 802.11 n WLAN driver and select the Update driver option from the context menu list. Step5: A new window will appear, select the “Search automatically for drivers” option. Step6: Now, your computer will search online for new drivers available. If there are any, it will start downloading them automatically. Step7: Follow the on-screen instructions to complete the driver’s installation process. After installing the driver, restart the system and check for the problem. If the issue is still there, try out the next method. Method3: Check The Registry Settings It is also possible that your registry settings are not configured correctly, which would lead to this issue. We can remove one item from the registry and see if it changes the settings and fixes the issue. To modify the registry settings, please refer to the following procedures. Step1: Launch the Run dialog box by pressing Windows + R. Then, type “regedit” and hit Enter. Step2: Go to this location once you’re in the registry editor: “ HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Control > Class > 4D36E978-E325-11CE-BFC1-08002BE10318 ” Step3: Verify whether LowerFilters and UpperFilters are keys in that folder. Once you locate it, remove the keywords and restart your computer for the modifications to be applied. Step4: See if the issue persists when you restart. Wrapping Up the Methods to Fix 802.11n WLAN Adapter Not Working Error We hope this helps you fix the problem where your 802.11n wireless LAN card isn’t working so you can use WiFi again. If the above steps don’t help fix the 802.11n WLAN device not working problem on Windows 10, you can go to the support section for more help or leave a comment below. Fix 802.11n WLANFix 802.11n WLAN AdapterWLAN Adapter Not Working Error 0 comment 0 FacebookTwitterPinterestEmail M Asim M Asim is a passionate writer and explorer of diverse topics, bringing a unique perspective to the world of content creation. With a keen interest in business, lifestyle, and travel, Asim crafts engaging narratives that captivate readers and inspire curiosity. Through insightful articles, Asim invites you to join in the exploration of fascinating subjects, making each piece a journey of discovery. Welcome to the world of ideas, curated by M Asim. 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