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Skeeter210
Blue Screen Again
Posts: 4
Registered: ‎01-16-2020
Location: US
Views: 171
Message 1 of 4

Yoga 2 Pro - Network Adapter Unavailable After BIOS Update

I updated BIOS from version 76CN35WW to 76CN43WW to troubleshoot some BSOD behaviors. After the BIOS flash, my network adapter shows as unavailable even after manually installing the driver for the adapter (the Win10 and Win7 versions) and the chipset drivers. I am unable to find a copy of the old BIOS version to revert to. I'm running Windows 10 1909. Is there a repository I could get that exe from or other steps to troubleshoot? Thanks!

Support Specialist
Posts: 881
Registered: ‎08-02-2018
Location: US
Views: 155
Message 2 of 4

Re: Yoga 2 Pro - Network Adapter Unavailable After BIOS Update

Hi @Skeeter210,

 

Welcome to the Community.

 

 

Try checking if the WIFI driver is enabled in Device manager if not, we suggest uninstalling and reinstalling/updating the driver.

 

Follow the steps in this article.

 

In addition, we can't find an exe file 76CN35WW BIOS but here's 76CN38WW and 76CN41WW. 

 

76CN38WW 

https://download.lenovo.com/consumer/mobiles/76cn38ww.exe

 

76CN41WW

https://download.lenovo.com/consumer/mobiles/76cn41ww.exe

 

 

Update us how it goes.

Auxen

 



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Skeeter210
Blue Screen Again
Posts: 4
Registered: ‎01-16-2020
Location: US
Views: 123
Message 3 of 4

Re: Yoga 2 Pro - Network Adapter Unavailable After BIOS Update

Thanks for the help! The driver was enabled in device manager, but the Wireless Adapter itself was disabled in the advanced network settings. 

Support Specialist
Posts: 881
Registered: ‎08-02-2018
Location: US
Views: 83
Message 4 of 4

Re: Yoga 2 Pro - Network Adapter Unavailable After BIOS Update

Thanks for updating us. Glad to know that the WiFi is now working.

 

Should you need further assistance, feel free to contact us here.

 

Regards!

Auxen



Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.

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