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59 Posts

05-28-2009

Poland

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  • Posts: 59
  • Registered: ‎05-28-2009
  • Location: Poland
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  • Message 1 of 5

Extremely slow WiFi connection on T460s

2017-04-14, 10:30 AM

Hi all,

I have Thinkpad T460s, Windows 10, WiFi adapter is Intel AC 8260, driver is 19.50.1 - latest.

Router is Asus RT-AC88U, internet link 150Mbps.

From few days I'm experiencing extremely slow connection/transfer speeds, like 100Kbs. I'm connected to 5GHz band.  I tried resetting TCP/IP stack, reinstalling the driver, rebooting the router, none of that helped. I don't have antivirus or external firewall installed.An Ipad which is sitting next to my laptop is hitting easily 90-100Mbps.

However when I connected the laptop to my work wifi, it appers to work normally, so logically it is something between Asus and Intel module in thinkpad.

Any ideas what can I do to find out what is happening - and solve the issue?
many thanks for any input
Chris

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33 Posts

12-17-2016

Sweden

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  • Posts: 33
  • Registered: ‎12-17-2016
  • Location: Sweden
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  • Message 2 of 5

Re: Extremely slow WiFi connection on T460s

2017-04-14, 17:15 PM

Have you tried to update to the latest drivers from Lenovos webbpage?

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59 Posts

05-28-2009

Poland

121 Signins

679 Page Views

  • Posts: 59
  • Registered: ‎05-28-2009
  • Location: Poland
  • Views: 679
  • Message 3 of 5

Re: Extremely slow WiFi connection on T460s

2017-04-15, 11:30 AM

Yes I did, clean install of wireless drivers. Last night I tried getting backwards, for now I'm using last driver from 2016 and it is better, but few hours speed drops again. Switching wifi off/on helps, but anyway the whole thing is extremely annoying.

I might also try ddwrt on my router, but I need few free hours to do it.

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33 Posts

12-17-2016

Sweden

30 Signins

293 Page Views

  • Posts: 33
  • Registered: ‎12-17-2016
  • Location: Sweden
  • Views: 293
  • Message 4 of 5

Re: Extremely slow WiFi connection on T460s

2017-04-16, 12:36 PM

Try to update to Intel's generic drivers from intels webbapage.

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1 Posts

07-03-2017

United States of America

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  • Registered: ‎07-03-2017
  • Location: United States of America
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  • Message 5 of 5

Re: Extremely slow WiFi connection on T460s

2017-07-03, 18:04 PM

I also have a Lenovo T460s and have horrible connectivity speeds at 2.4 Ghz

I have a 150MB connection service with my ISP.

The ISP's Tech just left here after installing a brand new Arris Router.

My T460s laptop tops out at just 11MB download at 2.4 Ghz but gets 167 MB at 5 Ghz.

When testing on my Iphone 6+ using Wifi Maximizer the 2.4 Ghz speed is 120MB download.

I ran the same test (speedtest.net) on my Wife's brand new Lenovo Yoga 260 and got the same terrible results, 9MB download at 2.4 Ghz and 171MB at 5 Ghz.

 

What is going on with the aweful 2.4 Ghz speeds on Lenovo Thinkpads?

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