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4 Posts

12-24-2014

Russia

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Problem 5GHz wifi with Yoga 3

2014-12-24, 21:53 PM

Hi everybody,

 

I bought the new Yoga 3 Pro with the Broadcom 802.11ac Network Adapter and have problems with the WLAN.

I have router Asus  RT-AC68U with two networks 2.4 and 5 Mhz.

 

All other devices has connection to both of them, but Yoga 3 can connect only to 2.4 Mhz and i have max spped connection 144 MB/s.

 

Is it possible to fix it?

I have tried to change settings on router and yoga but with no success.

 

Do you have any ideas?

 

Maybe is bloked in register? (i know is sometimes happed depend of region)

 

Moderator edit: Added 5GHz to subject

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8076 Posts

01-13-2008

US

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Re: Problem wifi with Yoga 3

2014-12-24, 22:06 PM

Hi,

 

You don't say where you are located so it's going to be hard for anyone to make a specific comment about region issues.

 

I can say that I have exactly the same configuration.  My Y3P connected to my 5GHz network @ 700+ mpbs without changing any settings.

 

Does the laptop see the 5GHz network?

 

Z.


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4 Posts

12-24-2014

Russia

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  • Message 3 of 33

Re: Problem wifi with Yoga 3

2014-12-24, 23:02 PM

Region is Russia.

My Yoga cant see any 5 Mhz networks, but other devices are ok.

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4 Posts

12-24-2014

Russia

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  • Message 4 of 33

Re: Problem wifi with Yoga 3

2015-01-01, 13:45 PM

I have changed yoga 3 two times with same result.

It`s very strange situation, tried another notebook by Acer is ok.

Yoga 3 is very cool but i can`t use it because it isn’t support 5Mhz in Russia it`s big disappointment.

Support in Russian region can`t help me to solve.

 

 

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4 Posts

02-28-2015

Kiev

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  • Message 5 of 33

Re: Problem wifi with Yoga 3

2015-02-28, 7:47 AM
I have the same issues - bought my Lenovo Yoga 3 Pro in Kiev / Ukraine - can not find any 5ghz networks.
Changed my region to US and the language to EN-US didn't help.
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204 Posts

11-12-2014

Netherlands

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  • Message 6 of 33

Re: Problem wifi with Yoga 3

2015-02-28, 15:20 PM

It might be that Lenovo supplies different (firmware) versions of the Broadcom WLAN card for several regions.

like they did not supply dua band (5GHz) cards for the Yoga 2 13 and Yoga2Pro.

 

Or they provide different software/drivers, or a setting in the software ....

 

 

Please compare the specific hardware ID's for the 5GHz compatible versions of the Yoga3Pro to yours to see if swapping the card or drivers could be a solution.

 

Please provide your hardware ID:

  • Go to   Device Manager (right cick on the Windows menu button)
  • Double click on   Network Adaptors
  • Double click on your card (Broadcom XXXX)
  • Go to the tab   Details
  • Select the property    Hardware Ids

Copy this string to a post:

PCI\VEN_XXXX&DEV_XXXX&SUBSYS_XXXXXXXX

And hope other Yoga3Pro users will do the same,

so we can investigate and solve this.

 

So please post:

  • BIOS version of your Yoga3Pro
  • Name of the WLAN/Bt combo card in the   Device Manager
  • VEN_ 
  • DEV_
  • SUBSYS_

And maybe some settings in the Advanced tab like VHT mode ...

 

 

Below is a sample screen shot of my WLAN card (a Intel 7260AC):

Device Manager Properties Details HardwareID 7260AC 2.jpg

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962 Posts

01-28-2013

United States

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  • Message 7 of 33

Re: Problem wifi with Yoga 3

2015-02-28, 22:18 PM

you need the Russian version of the card and drivers just like there's a russian version of Intel 6250 WiFi card.

Lenovo Y470: i7-2670QM | 8 GB DDR3 1333 MHz RAM | Nvidia GeForce GT 550M | 500 GB 7200 RPM Seagate HDD | ASUS PCE-AC56 802.11ac Network Adapter | Windows 7 Professional 64-bit
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1 Posts

03-04-2015

Zurich

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  • Message 8 of 33

Re: Problem wifi with Yoga 3

2015-03-04, 10:40 AM
could you help me as well, facing the same problem with 5ghz in Switzerland
 
BIOS version of Yoga3Pro
BIOS Version/Date LENOVO A6CN38WW, 30.09.2014
 
Name of the WLAN/Bt combo card 
Broadcom 802.11ac Network Adapter
 
Hardware ID
PCI\VEN_14E4&DEV_43B1&SUBSYS_062317AA&REV_03
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45 Posts

01-28-2015

Hungary

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  • Message 9 of 33

Re: Problem wifi with Yoga 3

2015-03-06, 17:43 PM

PCI\VEN_14E4&DEV_43B1&SUBSYS_062317AA&REV_03

 

same broadcom in hungary not working...

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45 Posts

01-28-2015

Hungary

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  • Message 10 of 33

Re: Problem wifi with Yoga 3

2015-03-07, 16:35 PM

strange

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