Networking :: Intel 3945ABG Card Fails To Associate With The AP

Feb 8, 2010

Have been using Arch for about one year. Everything works great until a few days ago. My wireless card couldn't connect to my router.

kernel: 2.6.32-ARCH
wireless card: Intel 3945ABG
wireless card driver/firmware: iwlwifi-3945-ucode 15.32.2.9-2

[code]....

The wireless card:

Code:

#lspci -vv
03:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)
Subsystem: Intel Corporation Device 1010
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+

[code]....

Since the card works in scanning mode, I assume it's OK. I have other devices in the house that also connect to the same AP. Everyone works except this laptop.

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I recently installed F10 x86_64 on my Lenovo T61 laptop, and while I'm quite pleased with F10, I am having a difficult time with my wireless card. I spent most of yesterday searching for a solution, but none have presented themselves. Scenario: I am trying to connect to a HIDDEN SSID with NO ENCRYPTION (work Wifi, don't ask) using network-manager and its associated applet.

Symptoms: I left-click on NetworkManager, select "Connect to Hidden Wireless Network", enter my information, NetworkManager does a few things, and finally I'm told that NetworkManager cannot connect to my network.

[Code]...

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Oct 16, 2010

I've just installed Maverick and my wireless card doesn't seem to work properly.

lspci | grep 3945 gives this...

05:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)

Iwconfig gives this...

wlan0 IEEE 802.11abg ESSIDff/any
Mode:Managed Access Point: Not-Associated Tx-Power=off
Retry long limit:7 RTS thrff Fragment thrff
Power Managementff
right
iwlist wlan0 scan gives this...
wlan0 Failed to read scan data : Network is down

I've tried removing and modprobing iwl3945 but no luck.

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I can get it to work with any Windows version, no problems. I have also tried with PCBSD version 7.x, 8.0 and today I tried the new 8.1 just to see if that worked to, an no problemos, it works perfectly out of the box, I could set it up in 5 minutes, even though I don't have any previous knowledge of PCBSD, other than a few short trial installs.

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I noticed right after the install, that there was a choice of connecting to a hidden network in the lower right corner of the screen, but while I have been trying to get the NetworkManager to work, it has suddenly disappeared (I have disabled SSID broadcast on my Linksys router. I've tried to run lsmod and it seems like the right firmware is running, I think it was called IWL3945 or something like that. I think there were around 3 such modules running, plus a Dell module.

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I have an IBM Thinkpad T60, running Ubuntu 10.04 (Lucid) with a dual boot of Windows XP. I am having trouble getting it to connect to my home wireless network, which uses WEP. It connected fine at my university when I first installed Lucid, but has not connected at home. I can see the network in the panel applet, with a good signal strength, but when I try to connect it repeatedly asks me for my key and never actually connects. I had this problem shortly before I installed Lucid, though it was working for a long time previously. I'm not sure what update caused it to stop working because I was at my university at the time, and it works fine there even now, so I didn't realize it right away.

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Below is the information the wireless help guide said to post. Machine Brand and Model: IBM Thinkpad T60

Wireless Brand, Model, and Wireless Chipset: lspci -nn | grep 'Wireless'

Code:
03:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection [8086:4227] (rev 02)
Check Interface:
ifconfig wlan0

[Code]...

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I've always wanted to learn this branch of computing, and I do think it's rather interesting. So, I was following in unison both this and this, which so far just tell me to download ipwraw-ng and extract it, but when I cd into the folder, and say make, I get this:

Code:
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[Code].....

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I had 8.1 on this laptop at one point and I never had any problems with the wireless then, that I can remember. I had no Ubuntu for a while but then I came back with the 9.1 and was loving it until the wireless problem reared it's ugly head.

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I'm new to linux. I've just installed Ubuntu 11.04. It has all been going ok, but the wireless just stopped working all of a sudden. The indicator light turned off and when I tried to turn it back on (Fn+F2) nothing happens. Sometimes, when I restart the computer, the wireless might work; but if the signal is lost the LED on my laptop turns off and I cannot reconnect. Also, in these strange cases that the wireless works when I restart I can manually turn it off (Fn+F2), but nothing happens when I try to switch it back on.

In the menu on the upper right corner I see 'Enable Networking' is checked, but 'Enable Wireless' cannot be modified.

I have a Dell Inspiron 6400 and the wireless device is an Intel Pro/Wireless 3945ABG.
I have tried to follow some of the threads on this forum on similar cases, but the ones that were comprehensible to me did not work (or I actually might not have understood them either). code...

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What do you think? Wife just bought a new Compaq 610 series laptop. These are the wireless specs:

Code:
10:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG Network Connection (rev 02)
30:00.0 Ethernet controller: Marvell Technology Group Ltd. Unknown device 4357 (rev 10)
Strange thing is when I ping the router, I get this, pings one time then dies:
Code:
anna@katie:~$ ping 192.168.0.1
PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.

[Code]...

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I've been trying to configure this wifi on CentOS 5 this whole weekend =(. Here's the details:I'm currently doing this link:

[URL]

I'm not sure if I've configured correctly mac80211, but here's what on my lsmod and other details, let me know what else you need:

[root@mortonlx morton]# /sbin/lsmod | grep mac
mac80211 117453 0
compat 7617 1 mac80211

[code]....

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Code:
*-network:0
description: Ethernet interface[code]............

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Driver:

Code:
[ 22.889588] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, 2.6.32-21-generic-ks
[ 22.889592] iwl3945: Copyright(c) 2003-2009 Intel Corporation

[Code].....

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[Code]...

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Code:

Code:

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Code:

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Code:

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Code:

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