Ubuntu Networking :: Wireless Stopped Working On 10.04?

Aug 4, 2010

Just recently the wireless stopped working on Ubuntu 10.04. The machine is AcerOne AOA-150. I did notice recently the wireless would stop working, and I would need to either 1) reboot 2) switch the wireless off by moving the switch from left to right in front of the laptop.

However, this time nothing is working. I've provided some detail and if more information is needed, let me know.

LSPCI:
00:00.0 Host bridge: Intel Corporation Mobile 945GME Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME Express Integrated Graphics Controller (rev 03)

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Jul 13, 2011

When originally installing 11.04 I had problems getting my Ralink 5390 wireless card to work.

Today my computer froze completely and I had to turn it off via the power switch. When I turned it back on, wireless was no longer recognized! My iPod can connect to the network just fine, so it must be an Ubuntu problem. There are no problems with my ethernet connection either.

I researched this and found several threads about blocking and unblocking wireless devices using the rfkill command. Well, unfortunately for me the rfkill command doesn't work. When I type sudo rfkill list or sudo rfkill unblock all, nothing happens; it just returns me to my bash prompt. I even tried uninstalling and reinstalling rfkill...nothing.

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Feb 25, 2010

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I've tried uninstalling and reinstalling the USB adaptor, but nothing I've done seems able to fix the issue. Anyone know how to fix this?

The USB adaptor I'm using is a Trendnet TEW-424UB

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I have had ubuntu about a month now and everything has worked great up until now, I was surfing the web and all the sudden I lost connection. I tried to connect to the signal but got nothing so I did a reboot. After the reboot my wireless signal didn't show up. i right clicked the connection icon on the top taskbar and the enable wireless is blacked out to where i cant click it.

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I updated to 10.04 recently and everyhting worked fine. Yesterday my wireless stopped working. Now I just get "Networking disabled" when I mouse over the greyed out wireless icon. Everything still works fine when I boot windows.

Here's the details from the HOWTO log an wireless issue guide http://ubuntuforums.org/showthread.php?p=6183681 . sorry for the length of dmesg and lsmod , I couldn't figure out how to add a spoiler tag on this forum. code...

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Jul 24, 2010

I'm using Ubuntu 10.04. I was happily connected to internet and surfing some forum, when wireless connection suddenly stopped working.

Now I can't find any access point, and I'm pretty sure I didn't do anything to justify this behaviour.

It already happened a month ago, but I had to format my drive, so I didn't really bother to try to solve the problem.

Anyway. I'm posting here the results of the commands I think I can help with a diagnosis; if something else is needed.

I'm using a different computer to post this thread, so I'm manually writing the output.

Code:
sudo iwconfig wlan0
wlan 0 IEEE 802.11bg ESSID: off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
sudo iwlist wlan0 scan
wlan0 No scan results

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Oct 20, 2010

About a week ago I upgraded to Maverick from Lucid.

All networking worked fine on Lucid.

I am using an Acer Laptop with the Atheros AR928X Wireless Network Adapter.

I can connect to my home network (visible, with WPA2-Personal) fine. However, I cannot connect to my university's wireless network. The only difference I noticed is that its network is using WPA2 Entreprise with Tunneled TLS Authentication and MSCHAPv2.

I tried dmesg and I got:

wlan0: authenticate with 00:1a:1e:ef:f4:e1 (try 1)
wlan0: authenticated
wlan0: associate with 00:1a:1e:ef:f4:e1 (try 1)
wlan0: RX AssocResp frin 00:1a:1e:ef:f4:e1 (capab=0x431 status=0 aid=2)

[Code].....

Unless the driver has changed, I suspect this is not a driver issue, since it worked fine on Lucid. Is this a NetworkManager issue?

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Jan 18, 2011

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[code]...

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Apr 18, 2011

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Jul 13, 2011

I go to the icon and it says "wireless is disabled by hardware switch", well I didn't press any hardware switch. My laptop is a Dell L501X, the "hardware switch" is the Fn button and F2. I've tried pressing this but nothing happens.

Is this a bug with the latest linux version? Cos everything was working fine until my laptop updated.

The version I have now is "Linux 2.6.38-10-generic"

I'm running 11.04 64bit.

Here is some info from console :

Quote:

me@XPS-L501X:~$ sudo ifconfig -a
eth0 Link encap:Ethernet HWaddr f0:4d:a2:59:00:34
inet addr:192.168.1.3 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::f24d:a2ff:fe59:34/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

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Quote:

Bringing up interface eth0:

This version of ISC DHCP is based on the release available on ftp.isc.org. Features have been added and other changes have been made to the base software release in order to make it work better with this distribution.

Please report for this software via the Red Hat Bugzilla site: [url]

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Jan 20, 2010

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This is what I tried:

both broadcom-drivers
fw-cutter
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*-network UNCLAIMED
description: Ethernet controller
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Available Packages
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Arch : i686

[Code].....

One, how is this even possible, and two, what is going on with the wireless working, not working, working, not working?

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iwconfif output:

Code:
lo no wireless extensions.

eth0 no wireless extensions.[code].....

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[Code]...

Im trying to connect to my college wireless network. I have looked a thinkwiki and no one has posted any bugs. Any ideas on getting it working again?

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