What causes Windows 10 not connecting to Wi-Fi? There are 2 main reasons why your Wi-Fi is not available after upgrade to Windows 10.
1. The Wi-Fi or the wireless adapter driver is not updated and not compatible with Windows 10. In some cases, the Wi-Fi driver is missing after Windows 10 update.
2. If reinstalling Wi-Fi drivers doesn't help, the problem may be triggered by unsupported VPN software present during the Windows 10 upgrade. If you have an old VPN client, specifically the Cisco VPN client or Sonic Global client, it’s certain that the piece of software is what is causing the no internet connection issue on Windows 10. Uninstall the VPN software.
Wired Ethernet connections may also not function properly, if you are using built-in Ethernet adapter or a USB Ethernet adapter. Please note that some connected devices (like the very old ones) may also cause this no Internet issue.
2 Solutions to Fix Windows 10 Wi-Fi Not Available Issue
Try the 2 ways below to solve the Windows 10 Wi-Fi not working or won't turn on problem on your laptop, desktop PC or notebook computer. Here is how to make Wi-Fi available. Also see the Updated information at the end of the post.
Top 1. Update Wi-Fi Adapter Drivers on Windows 10
To resolve the Windows 10 Wi-Fi not available issue, the first method should go to the wireless driver to match with Windows 10. The driver for the previous Windows 8.1 or 7 is not compatible with Windows 10 and the Windows 10 might have removed it during update. Therefore, fix the Wi-Fi driver with Driver Talent (formerly called DriveTheLife). This tool can help to check if the Wi-Fi driver causes the problem and then update the driver either by repairing it or downloading the latest one to match the wireless adapter for Windows 10.
You can also try the network version: Driver Talent for Network Card. This version can help to fix the driver (download and install the latest driver) without Internet connection. You should install this tool before updating to Windows 10. Alternatively, download it with an available computer that has Internet connection and move it to your computer to install network driver offline.
Download and install Driver Talent on your laptop, notebook or desktop computer to solve your Windows 10 Wi-Fi not working issue.
Updated: DriveTheLife has been updated to the new version called Driver Talent with a fresh new look.
Step 1. Run Driver Talent to scan your computer. It can check all driver problems.
Step 2. One click to update the drivers or repair the drivers.
2. Enter Command to Fix No Wi-Fi in Windows 10
Important: Follow the steps below carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.
You can use command to fix this Windows 10 Wi-Fi not working problem if it's triggered by VPN software.
Step 1. Right click the Start button and select "Command Prompt (Admin)" from the menu. This can launch Command Prompt as Admin.
Step 2. Type the following command and hit the Enter key:
reg delete HKCR\CLSID\{988248f3-a1ad-49bf-9170-676cbbc36ba3} /va /f
Step 3. Enter the command below into the Command Prompt and press Enter key once more:
netcfg -v -u dni_dne
Step 4. Restart the computer and check back with your Wi-Fi settings. You now should see a revived list of all the available networks within range.
Note: If you have the Cisco VPN client, Sonic Global client or other VPN software running on your computer and you are planning to upgrade to Windows 10, uninstall the VPN before proceeding.
Optimize Wireless Adapter Settings for Best Wi-Fi Performance
You could change the wireless adapter power settings to get the best Wi-Fi performance. The default power option is "Power saving mode", which will result in Windows 10 Wi-Fi problem while connecting to distant WAPs. Take the following steps to fix the Wi-Fi issue.
Step 1. Press "Windows Key + S" and choose "Power Options".
Step 2. Locate the current plan of your computer ("Balanced") and click "Change plan settings".
Step 3. Click "Change advanced power settings".
Step 4. Choose "Maximum Performance" under "Wireless Adapter settings".
Step 5. Click "Apply", and then click "OK".
Updated: We've seen many users sharing their methods to troubleshoot the Windows 10 Wi-Fi not working problem in the comments. If the above 2 solutions don't work for you, try to turn on the Wi-Fi again in Settings (Windows 10 update may change the settings during the installation); or try to de-select the option "allow the computer to turn off this device to save power" on Device Manager >> Network Adapters >> Properties >> Power Management tab.
If you know other ways to solve this Windows 10 Wi-Fi not available issue, share with us in the comments section below. Many thanks.
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