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3 Posts

03-02-2009

New York

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[Problem] Intel Wireless Card 4965agn Disabled for NO reason

2009-03-02, 19:11 PM

Recently, I found my Intel 4965agn wireless lan adapter on my T61 laptop automatically disabled after I connected to the public wireless network (no password required) in my university. Sometimes it could work for 3-4 hours, but sometimes it could only survive for few minutes.

When the adapter was disabled, I cannot start it in any way except restart my laptop.

But this phenomenon never happened in my apartment, where the wireless network has a password requirement.

Anybody has the same experience or any solution? Thanks.

 

BTW, My T61 is 7662-CTO. This problem happened on both Vista Ultimate 32x and XP SP3.

Message Edited by musicx on 03-02-2009 11:19 AM
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12 Posts

05-24-2008

St. John's, NL, Canada

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Re: [Problem] Intel Wireless Card 4965agn Disabled for NO reason

2009-03-03, 1:50 AM

Same problem... I've had this issue and reported it many times with no results from Lenovo or IBM. My card is an intel 3945ABG, and the same issue - not  problem on some networks and a disaster at school (many access points and a WPA-Enterprise security).

 

I have taken out access connections and tried the intel pro wireless software.. while it hasn't fixed the problem, it's better.

 

About once a week my card just turns off - disables itself somehow. The light goes out, and it disables itself in the device mangler (red x) but I can't re-enable it, the device manager just crashes. If I flick the Wifi switch, nothing, click enable in the pro wireless software, nothing. I have unchecked the "allow the computer to turn off this device to save power" everything.... 

 

Someone from Lenovo, please give us an answer about this... I think this happens on most computers (all 4 thinkpads in my class have this issues), just rarely enough that no one complains. Is this a firmware issue? a irq issue? What do you need to solve this?

 

whiteatom 

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1960 Posts

12-02-2007

AU

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Re: [Problem] Intel Wireless Card 4965agn Disabled for NO reason

2009-03-03, 1:55 AM

whiteatom wrote:

 

What do you need to solve this?


Make sure that all the power managment settings in Power Manager and Access Connections that relate to WiFi are set to maximum performance (or similar), and also ensure that any setting that would allow the system to shut down the WiFi card to conserve power are disabled.

 

Cheers,

 

Bill

 

 

------------------------------
I don't work for Lenovo
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45 Posts

01-14-2009

GR

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Re: [Problem] Intel Wireless Card 4965agn Disabled for NO reason

2009-03-06, 19:17 PM

What is proposed here about setting all to maximum levels as far as power management is concerned is correct.

The only problem is that in my case i have to be doing this (Power Management setting only) every time i use

Access Connections cause every time it drops that setting to Lowest.

So, whenever i open laptop immediately i go in the WiFi properties from Device manager and set this thing manually.

Also i repeat the same procedure immediately after i connect through Access Connections.

 

This saves my day and i can work without ANY interruptions afterwards.

 

Try it, and if it helps, have a glass of beer, wine, water, cola on my name!

 

Regards,

Nikos

T460p i7-6820HQ-16GB-500GB SSD
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3 Posts

03-02-2009

New York

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Re: [Problem] Intel Wireless Card 4965agn Disabled for NO reason

2009-03-06, 20:05 PM

I was using the latest version of driver offered by intel 12.2.0.11 when this problem turned out.

 

Then I uninstalled the driver and changed to the version Lenovo System Update gave, 12.2.0.10. This problem happened more frequently. 

 

Now I updated the driver to 12.2.0.11 again. It seems to be better.

 

And I'm not using either Access Connection or Intel Wireless/Pro. They all made the wireless card unstable.

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45 Posts

01-14-2009

GR

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Re: [Problem] Intel Wireless Card 4965agn Disabled for NO reason

2009-03-07, 11:40 AM

Dear Friend,

 

check the "sucrifice" that is needed and i do every time i open laptop to have it all running problem-free.

For me, nothing else works. I have all updates from Lenovo, Microsoft, etc.

 

The only thing that makes the trick is the one i describe.

 

Regards,

Nikos

T460p i7-6820HQ-16GB-500GB SSD
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12 Posts

05-24-2008

St. John's, NL, Canada

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Re: [Problem] Intel Wireless Card 4965agn Disabled for NO reason

2009-03-07, 22:45 PM

I've been batteling with this for 2 years.. I've tried all of these things, while most are better.. nothing solves it completely. There is obviously a bug in the wireless/power management drivers... and lenovo doesn't care to fix it. All we can do is continue to complain until they do.

 

whiteatom 

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45 Posts

01-14-2009

GR

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Re: [Problem] Intel Wireless Card 4965agn Disabled for NO reason

2009-03-28, 10:16 AM

I just updated my system through System Update.

There was a new version there for Access Connections and some other stuff.

I just let it do it's work and VOILA!!!! NO MORE PROBLEM!

WiFi stays ON! ALL OK!

 

People try it! Saved me!

T460p i7-6820HQ-16GB-500GB SSD
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3 Posts

03-02-2009

New York

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Re: [Problem] Intel Wireless Card 4965agn Disabled for NO reason

2009-04-01, 15:52 PM

In my case, I find the problem happens again in some certain buildings.

 

This time I just turn the 802.11N feature off. And the wireless seems stable for now.

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12 Posts

05-24-2008

St. John's, NL, Canada

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  • Message 10 of 10

Re: [Problem] Intel Wireless Card 4965agn Disabled for NO reason

2009-04-01, 16:38 PM
same deal.. seemed better.. then the hope all came crashing down at my friend house... random power off.
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