Yoga 2 wifi not working after update to Windows 10-English Community

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Highwayhacker

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2 Posts

08-02-2015

United States

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Highwayhacker

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Message 51 of 77

Re: Yoga 2 wifi not working after update to Windows 10

2015-08-03, 0:18 AM

I was messing around with the wifi issues today and I think I found another link - bluetooth.

I have a bluetooth mouse that I usually use. When the mouse is disconnected and off, like now, the wifi on the Yoga 2 works fine. If I connect the mouse or my bluetooth headset, the wifi does not work.

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Mark_Lenovo

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11-19-2007

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Mark_Lenovo

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Message 52 of 77

Re: Yoga 2 wifi not working after update to Windows 10

2015-08-03, 14:09 PM

All,

Please see this MS article that just came out and may be the fix. I'm going to mark this as the solution to guide customers to this post, but we will continue to follow this thread.

https://support.microsoft.com/en-us/kb/3084164

Summary

After you upgrade from Windows 8.1 to Windows 10, no wireless networks are listed as available. This is true even though the wireless network adapter seems to function correctly. If you restart the computer or you try to reinstall the wireless network adapter driver, this does not resolve the problem.

This problem may also prevent wired Ethernet connections from functioning correctly. This affects connections that are made through either a built-in Ethernet adapter or a USB Ethernet adapter.

Note Multiple issues may cause this problem. This article lists the known issues and the appropriate resolutions.

Known issues

Issue 1: Unsupported VPN software

Symptoms

Unsupported VPN software is present during the upgrade to Windows 10.

Cause

This issue may occur if older VPN software is installed on Windows 8.1 and is present during the upgrade to Windows 10. Older software versions contain a filter driver (the Deterministic Network Enhancer) that is not upgraded correctly.

Resolution

To resolve this issue, follow these steps:

Open an administrative Command Prompt window.

Run the following commands:

reg delete HKCR\CLSID\{988248f3-a1ad-49bf-9170-676cbbc36ba3} /f

netcfg -v -u dni_dne

More information

This issue has been reported to Microsoft to occur when older versions of the Cisco VPN client and SonicWall Global VPN client are used. Customers should contact their VPN vendor to obtain software that is supported for use on Windows 10.

Third-party information disclaimer

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Properties

Article ID: 3084164 - Last Review: 08/03/2015 03:17:00 - Revision: 9.0

Applies to

Windows 10 Pro, released in July 2015
Windows 10 Enterprise, released in July 2015

0 person found this solution to be helpful.

This helped me too

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Whizzbits

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08-04-2015

England

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Whizzbits

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Message 53 of 77

Re: Yoga 2 wifi not working after update to Windows 10

2015-08-04, 1:01 AM

I had the same problem, ended up being Kaspersky Internet Security. As soon as removed this WiFi networks became available.

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ITMonkey

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08-04-2015

United Kingdom

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ITMonkey

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Message 54 of 77

Re: Yoga 2 wifi not working after update to Windows 10

2015-08-04, 8:22 AM

Thanks for this tip. Just tried it and it worked for me.

I went into Bios... clicked on enable wireless setting then saved settings. For those not so familiar with accessing bios.... There is a little recovery button next to the on/off switch, when laptop is powered off click for a few seconds and you will get a set of four options. One will give you access to bios. Good luck.

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pwillis52x

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08-04-2015

San Jose

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pwillis52x

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Message 55 of 77

Re: Yoga 2 wifi not working after update to Windows 10

2015-08-04, 8:28 AM

After countless hours of troubleshooting, uninstalling my antivirus BitDefender Total Security 2015 fixed the issue. This is unacceptable on either Lenovo or Microsoft's end, considering Bitdefender 2015 is supposedly tested for Windows 10. (Which leads me to believe this is Lenovo's issue, also given the terrible reputation of WLAN on this laptop)

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jvdgalien

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05-16-2015

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jvdgalien

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Message 56 of 77

Re: Yoga 2 wifi not working after update to Windows 10

2015-08-05, 15:30 PM

I had the same problem.

Booted into Bios and turned wifi off an on (it was on initially).

Then I saved the settings and after the reboot: Wifi worked properly!

Weird problem.

No my Yoga performs well!

Greeting from the Netherlands.

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Haniyum

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08-10-2015

Toronto, Canada

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Haniyum

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Message 57 of 77

Re: Yoga 2 wifi not working after update to Windows 10

2015-08-10, 17:40 PM

I installed my realtek driver again and tried your number 2 step only . now my wifi is working properly.

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Senderos

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08-14-2015

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Senderos

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Message 58 of 77

Re: Yoga 2 wifi not working after update to Windows 10

2015-08-14, 23:45 PM

i had same issue and have a quickfire resolution that worked for me on a brandnew yoga.

it looks like windows 10 cant pick up the network adaptor driver during first restart after install because a hard restart is needed to kick it into life however i found it doesnt need a full stop start.

with laptop still on

press the power button once (dont hold it down) to put it into sleep mode (flashing light)

once asleep leave it 15 second then press the power button again to wake it up

hey presto - it detects the network adaptor as it starts up the wifi link . (athough it had forgotten my wifi login details)

I hope this works for you.

Senderos

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Dan689

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08-15-2015

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Dan689

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Message 59 of 77

Re: Yoga 2 wifi not working after update to Windows 10

2015-08-15, 17:38 PM

Hard reset (holding down shift while clicking on start -> power -> shutdown) worked for me. I had no VPNs installed.

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markpalley

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09-05-2015

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markpalley

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Message 60 of 77

Re: Yoga 2 wifi not working after update to Windows 10

2015-09-05, 19:35 PM

This did work, but I am outraged that Lenovo and MicroSoft caused this problem but did not have a quick resolution.

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English Community

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Summary

Known issues

Issue 1: Unsupported VPN software

Symptoms

Cause

Resolution

More information

Third-party information disclaimer

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

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English Community

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Summary

Known issues

Issue 1: Unsupported VPN software

Symptoms

Cause

Resolution

More information

Third-party information disclaimer

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

Re: Yoga 2 wifi not working after update to Windows 10

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