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Very Slow Wifi After Recent Windows 1903 update and cumulative updates

I just updated to the 1903 update and the cumulative updates after that.  I have an intel ac 3165 wifi card with the latest driver, it came preinstalled in my Dell Inspiron 5570 that is only 1 year old.  Before the updates my wifi speed was 200+ mbps, after the updates it is now 20 mbps.  If I unstall the updates the wifi speed goes back to the 200+ mbps, but then I get a notice that my windows will be out of date.

Obviously something in the update is choking the wifi speed down by 90+%.  Any help would be appreciated.

Thanks

Answer
Answer

Hello, 


Please run Network Adapter troubleshooter from Settings app > Update & security > Troubleshoot. See if it helps you.

Also, update your network drivers to latest version.


If issue still persists, try to perform Network Reset:


1. Open Settings app, click Network & Internet > Status > Network reset link.


2. Now click on Reset button on next screen.


3. In confirmation prompt appearing next, click Yes.

Hope this helps!

---------------------------------------------------------------------------------------

Microsoft MVP (Windows IT Pro), since 2014 · Windows Insider MVP, since 2016 · Windows Help (www.kapilarya.com)

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Question Info

Last updated February 23, 2024 Views 23,376 Applies to: