But first, here are some more solutions for this issue:
- Realtek network controller not found in Device Manager – The upgrade process made the Realtek network controller disappear from the Device manager
- Realtek network controller was not found if Deep Sleep mode is enabled Windows 10 – The solution for this problem is obvious, just disable the Deep Sleep mode
- Realtek network controller not working -You can try to follow the solutions below in order to solve this issue
How do I solve problems with the Realtek Network Adapter?
1. Uninstall and download the latest network driver
- Press Windows Key + X on your keyboard and go to Device Manager.
- Search for Network adapter, and when you find it right click it and choose Uninstall.
- In the Uninstall window, choose to Delete the driver software for this device.
- Follow the instructions on the screen, and restart the computer when uninstall process is completed.
- After you’ve restarted your computer, go to Device Manager again and click the Scan for hardware changes button.
- Doing this will reinstall the default network drivers.
You’ll need to use another device to download the latest network drivers for your motherboard. After downloading the drivers transfer them to your Windows 10 computer and follow the above steps.
If you don’t want the hassle of searching for drivers on your own, you can use a tool that will do this for you automatically.
Of course, as you’re not able to connect to the Internet at the moment, this tool won’t be useful. However, once you get online, it will help you to keep all your drivers up to date.
It will help you update drivers automatically and prevent PC damage caused by installing the wrong driver versions. After several tests, our team concluded that this is the best-automatized solution.
Update and fix your Realtek network drivers and stop worrying about constant connectivity issues thanks to DriverFix.
2. Remove Cisco VPN client or any other unsupported VPN software
- Right-click the Start button and select Command Prompt (Admin)
- Type netcfg –s n in Command Prompt and press Enter.
- You’ll get list of networking protocols, services and drivers.
- Check the list for DNI_DNE. If you find it on the list, proceed to the next step.
- Type in the following:
- If you receive error 0x80004002, it means that the process wasn’t completed and that you need to do it manually.
- Close Command Prompt and press Windows Key + R and type regedit to open Registry Editor.
- In Registry Editor you need to find the key and delete the following key:
Some VPN clients aren’t compatible with Windows 10, so before upgrading make sure that you uninstall them. If you can remove them manually, but if you can’t just follow the above steps.
If you can’t run Command Prompt as Administrator, follow our comprehensive guide on this topic, and fix this issue with ease.
3, Delete your wireless profile
- Go to Search, type cmd, and open Command Prompt as Administrator.
- When Command Prompt stats type in the following command and press Enter:
netsh wlan delete profile name=”WirelessProfileName”
- Be sure to replace WirelessProfileName with the actual name of your wireless connection
If your network connection gets corrupted, the best solution is to simply reset your wireless profile. To do that, simply delete your current wireless profile, and the new one will get created automatically.
4. Run the Troubleshooter
- Go to Settings.
- Head over to Updates & Security > Troubleshoot.
- Select Internet Connections, and go to Run the Troubleshooter.
- Follow further on-screen instructions and let the process finish.
- Restart your computer.
Window 10 comes with a built-in troubleshooter that can help you diagnose and solve numerous issues you may encounter with your computer while using it.