Windows 10: How to fix BROKEN wifi after your free upgrade

_apostolos__apostolos_ Member Αναρτήσεις: 227
επεξεργάστηκε Απρίλιος 2016 σε English Speaking Community
IF YOUR computer drops wifi or shows no wifi available since upgrading to Windows 10 – this is the solution.


Microsoft rolled out its final major operating system, Windows 10, to some 190 countries last week. The new operating system – which was installed on a staggering 14 million within the first 24 hours – blends elements of the previous two releases, Windows 7 and Windows 8. However users have reported a number of issues with Windows 10, including PC boot-up speeds slowing to an agonising crawl. Some Windows 10 users – who took advantage of the free upgrade currently being offered by Microsoft – have reported wifi problems.

After upgrading from Windows 8.1 to Windows, a number of PC owners have reported that their wireless networks are no longer available.

Worse still, restarting and reinstalling the wireless network adapter driver several times does not appear to solve the infuriating issue. According to Microsoft, the wifi problem is triggered by unsupported VPN software present during the Windows 10 upgrade. The issue can also stop a wired Ethernet connection from working properly.

"The issue may occur if older VPN software is installed on Windows 8.1 and is present during the upgrade to Windows 10," Microsoft has explained.

"Older software versions contain a Filter Driver (the Deterministic Network Enhancer) which is not properly upgraded, leading to the issue."

Fortunately – there is a solution.

Step 1 – First things first, Right-Click the newly-reinstated Start Menu and select Command Prompt (Admin) from the drop-down menu.

Step 2 – Type out the following command, then hit the Enter key

reg delete HKCRCLSID{988248f3-a1ad-49bf-9170-676cbbc36ba3} /va /f

Step 3
– Enter the below command into the Command Prompt and then triumphantly hit the Enter key

netcfg -v -u dni_dne

Step 4 – Restart the PC and then double-check your wifi settings. You should now see a revived list of all of the available networks within range.

If you know you are running an older version of Cisco VPN client or SonicWall Global VPN, it is worth uninstalling the software before upgrading your PC to Windows 10 to avoid the issue.

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