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Old 08-31-2009, 08:37 PM   #1
Rainbowserpant
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Registered: Jul 2009
Posts: 27

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wireless connection problems & now lost lan connection & network manager wont work


I have installed ubuntu 9.04 as a dual boot with xp and ubuntu on their own hardrives.

I originally had problems connecting via lan or wireless with 'Network Manager'and followed advice I received on an erlier thread I posted to use 'Wicd Network Manager'.

With 'Wicd' I was able to connect to the internet via lan ethernet cable with no problems but I could still not connect to my wireless network although it does show up in 'Wicd'. I have enabled manual connection settings in wicd to connect to my network to use static ip addresses for my computers on my network which works fine with the lan connection.

I followed advice I received in an earlier thread which suggested using
ndiswrapper but could not make any real sense of what to to using the link provided in the thread. I then did a google search 'how to use ndiswrapper ubuntu' and followed the instructions at
"https://help.ubuntu.com/community/WifiDocs/Driver/Ndiswrapper#Load the new driver module".

After following the configuration instructions below I immediatly lost my lan connection and wicd network manager will not open anymore.

3.1. Disable Free Drivers
Firstly, all releases since Ubuntu 6.06 have the open source bcm43xx driver, which was replaced in 8.04 by b43 and b43legacy, see WifiDocs/Driver/bcm43xx. If this driver doesn't work for you, then you should disable it, because it will conflict with ndiswrapper. To disable it, add blacklist bcm43xx lines for each driver to the modprobe blacklist.
echo -e "blacklist bcm43xx\nblacklist b43\nblacklist b43legacy\nblacklist ssb" | sudo tee -a /etc/modprobe.d/blacklist

I continued on until instruction 3.6 'configuring wireless network settings' where I could not continue as I could not understand the instructions.

Now I have no internet connection and it appears no network manager.

Please Help
 
Old 09-01-2009, 03:43 PM   #2
pentode
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Registered: Dec 2005
Location: Oregon
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In terminal mode, as root, run "ifconfig" and "iwconfig" and post the results. You can open a terminal window in the graphical interface, and then copy/paste the output. This will be the first step.
 
Old 09-02-2009, 05:00 AM   #3
Rainbowserpant
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Registered: Jul 2009
Posts: 27

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Results of ifconfig and iwconfig

Here's the results of ifconfig and iwconfig.

I'm not sure if this is root? I am the only user of ubuntu on that computer with no other user accounts. I just went straight to accessories then opened terminal and entered the commands, is this root or do I need to do something else?

Thanks so much for your help,

Steve



steve@dharma-ubuntu-desktop:~$ ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

steve@dharma-ubuntu-desktop:~$ iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

pan0 no wireless extensions.

steve@dharma-ubuntu-desktop:~$
 
  


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