How to Fix Broadcom 802.11ac Network Adapter issue

Broadcom 802.11ac Network Adapter Driver” is software act as mediator between your Broadcom 802.11ac Network Adapter and your Operating System version (Windows 10 or others). This driver software is designed & developed by Broadcom – manufacturer and supplier of semiconductor and infrastructure software products in wide range.

This Network Adapter is used as Client devices in PC/laptops, tablets, smartphones, digital televisions, and other products requiring small size and low-power connectivity solutions. If you are one of them who are using the same Network Adapter on their device, then you should check of its driver update whether it is up-to-date or outdated.

Broadcom 802.11ac Network Adapter allow you to connect to internet smoothly but problem with its driver can cause network issues like WiFi not working, WiFi not recognized by System, WiFi/Network Adapter driver missing, outdated and/or is not compatible with current Windows version.

If you are sure that Broadcom 802.11ac Network Adapter is not good condition but still facing internet connection issue with this network adapter on your computer, then something went with your computer either network adapter driver is corrupted, missing or outdated, or misconfiguration in Network settings. Let’s go for the solution.

How to fix Broadcom 802.11ac Network Adapter not working Windows 10?

Method 1: Run Network Adapter Troubleshooter

“Network Adapter Troubleshooter” will automatically detect the problems related to your network adapter and fixed them.

Step 1: Press “Windows + R” keys together from keyboard to open “Run Dialog Box”

Step 2: In the opened “Run Dialog Box”, type “Control Panel” and hit “Enter” key to open “Control Panel”

Step 3: Select “View by: > Large Icons” from upper-right corner of control panel, and click on “Troubleshooting”

Step 4: In the “Troubleshooting” window, click “View All” and click on “Network Adapter” from the list troubleshooters options

Step 5: In the opened popup window, click on “Advanced > Run as administrator” and check “Apply repairs automatically” and then hit “Next” button

Step 6: Follow on-screen instructions to finish the troubleshooting process. Once done, reboot your computer and check if the Broadcom 802.11ac Network Adapter not working problem is resolved.

Method 2: How to update Broadcom 802.11ac Network Adapter driver?

If driver for this network adapter is outdated or corrupted, then you can try to fix the issue by updating the driver software.

Step 1: Press “Windows + X” keys together from keyboard and select “Device Manager”

Step 2: Locate and expand “Network Adapters” category in opened Device Manager window

Step 3: Right-click on your “Broadcom 802.11ac Network Adapter driver” and select “Update Driver”

Step 4: In next window, select “Search automatically for updated driver software” and follow on-screen instructions to finish update process

Step 5: After that, restart your computer to see the changes and check if the problem is still persist.

Method 3: Fix System registry issues associated with your network adapter

Sometimes, corrupted registry entries can cause your network adaptor not working problem on Windows 10. So, you need to fix this.

Step 1: Press “Windows + R” keys together from keyboard and type “regedit” in “Run Dialog Box”

Step 2: Now, copy the following path and paste it in address bar in opened “Registry Editor”


Step 3: After that, right-click the key “UpperFilters” and select “Delete”. Similarly, delete “LowerFilters” in the right pane

Step 4: Once done, close Registry Editor and restart your computer to check if the error is resolved.

Method 4: Perform System Restore operation

If the above methods/steps are unable to fix the problem, then you can try to fix by performing System Restore operation and restore the System to last Restore point when your network adapter was not problematic.

Step 1: Click on “Start” button and type “System Restore” in Windows Search bar to open “System Restore”

Step 2: In the opened “System Restore” window, click on “Next” and select the restore point from the list of options available.

Step 3: In confirmation window, select “Yes” to start restoring operation

Step 4: Wait to complete the process. Once done, log into the System and check if the trouble is resolved.


All the methods/steps mentioned above can fix Broadcom 802.11ac Network Adapter problem on Windows 10. You can read & follow our instructions to do so. If this post really helped you, you can share this post with others to help them. For any suggestions or queries, please write on comment box below.