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BigJon
Punch Card
Posts: 13
Registered: ‎02-02-2015
Location: Hong Kong
Views: 3,101
Message 61 of 81

Re: Yoga 2 13 (20344) WiFi Issues

As reply to Swankiller questions, to my knowledge anything running ac is Dual band. Max bandwidth is 450Mbps @ 2.4GHz whereas Max bandwidth @ 5GHz is 1000+ Mbps

As for speak, Intel 7260 AC and the broadcom wifi adapter are both dual band. Do take advise from Emmerx and Mischa213 here avoid ordering your gear from china supplier.

Hunt for the card from some surplus or second hand supplier might be a better and safer bet.

Cheers
SwanKiller
Paper Tape
Posts: 5
Registered: ‎02-11-2015
Location: Los Angeles
Views: 3,089
Message 62 of 81

Re: Yoga 2 13 (20344) WiFi Issues

Very good. I saw, a little late, that this was info posted here earlier too. (so much for me reading ALL post before asking questions :-))

Ill be searching for this to buy in Norway.
SwanKiller
Paper Tape
Posts: 5
Registered: ‎02-11-2015
Location: Los Angeles
Views: 3,082
Message 63 of 81

Re: Yoga 2 13 (20344) WiFi Issues

Searching and searching - and www.aliexpress.com (china) keeps coming up. Anyone else find it in EU (Amazon us has it, but they dont ship here.
SwanKiller
Paper Tape
Posts: 5
Registered: ‎02-11-2015
Location: Los Angeles
Views: 3,045
Message 64 of 81

Re: Yoga 2 13 (20344) WiFi Issues

Found and ordered (hopefully correct this time) from Amazon: http://www.amazon.com/dp/B00GUNZUG0/ref=pe_385040_127745480_TE_item

 

 

Mischa213
802.11n
Posts: 204
Registered: ‎11-12-2014
Location: Netherlands
Views: 3,040
Message 65 of 81

Re: Yoga 2 13 (20344) WiFi Issues

This card will only work in the Yoga 2 Pro; it is not supported by the BIOS white list of the Yoga 2 13.

Cancel you order if still possible...

 

Only 2 very specific AC 5GHz wifi bt cards will work in the Yoga 2 13:

  • Intel 7260AC  Lenovo P/N 20-200617
  • Broadcom  BCM94352Z   Lenovo P/N 20-200480 FRU: 04X6020
Freedom of Speech has just left the building
SwanKiller
Paper Tape
Posts: 5
Registered: ‎02-11-2015
Location: Los Angeles
Views: 3,034
Message 66 of 81

Re: Yoga 2 13 (20344) WiFi Issues

Arghhh... Thanks, sent in cancellatin request.

 

So is this one correct then: http://mcsimple.com/index.php/taobao/view/id/37970302234

 

?

Mischa213
802.11n
Posts: 204
Registered: ‎11-12-2014
Location: Netherlands
Views: 3,026
Message 67 of 81

Re: Yoga 2 13 (20344) WiFi Issues

I do not see any Lenovo specific P/N nor a FRU identification ....

Freedom of Speech has just left the building
Arzk
Punch Card
Posts: 4
Registered: ‎10-27-2014
Location: Finland
Views: 2,705
Message 68 of 81

Re: Yoga 2 13 (20344) WiFi Issues

Somehow after last weekend my Realtek problems have really gone bad. This morning I needed two reboots after resuming from sleep before the Yoga found any wireless networks. Last night I upgraded the DD-WRT firmware on my router and tried reverting back to the 2012.4.1022.2013 drivers with no difference in stability. Before this the wlan at my home was ok and the problems were in other networks.

 

When the network stays connected, what I called a little stuttering in November has now turned into a terrible nightmare. I tried to capture it in a video of ssh'ing to a computer in the same LAN and printing the nanoseconds portion of the system date in 0.1sec intervals. The action (or really the lack of action) starts at 00:15.

https://youtu.be/pMJQpE71i1s

 

The problem is not in the antenna cable connections (checked), not in the Windows 8.1 power options and the different driver versions have no effect either. Today I got fed up and ordered the  20200617 7260AC card from Lenovo Serviceshop as advertised in the sister thread. I think it's worth mentioning in this thread too, that they're available in EU. They were out of stock yesterday, but I sent a request and exactly 24h later I had an email that there are some in stock!

chiccop96
Paper Tape
Posts: 2
Registered: ‎04-07-2015
Location: IT
Views: 2,389
Message 69 of 81

Re: Yoga 2 13 (20344) WiFi Issues

Hi everybody,

I recently bought the lenovo yoga 2 13 and I have problems with the wifi.

 

If I am in the same room of the router, it is really fast while if I am in another room (where there are also some others devices connected at the same router) I surf really slow.

 

What can I do? I already tried to update the wireless drivers taken from the lenovo websites.

 

My router is a Tp link td w8970

Ivan64
What's DOS?
Posts: 1
Registered: ‎05-09-2015
Location: UK
Views: 2,160
Message 70 of 81

Re: Yoga 2 13 (20344) WiFi Issues

My current version of Intel Wireless Driver is 17.0.0.34, is it worthy to upgrate to 17.13.2? is thi sthe correct version of driver for wireless card in Yoga 2 13? Thanks Ivan

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