Ubuntu Networking :: Wireless Internet Gone Since Upgrade To Kubuntu 10.10?

Nov 6, 2010

Since I've upgraded to Kubuntu 10.10 I've lost my wireless internet. In Windows 7 everything's fine, but in Kubuntu wicd keeps giving a "Unable to get IP address message".

Here's some output:

dmesg | grep wlan0
wlan0: associate with **:**:**:**:**:** (try 1)
wlan0: RX AssocResp from **:**:**:**:**:** (capab=0x411 status=0 aid=2)
wlan0: associated
wlan0: deauthenticating from **:**:**:**:**:** by local choice (reason=3)

[Code].....

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Ubuntu Networking :: Wireless Internet Drops Frequently With Realtek Card On Kubuntu 10.04?

Feb 11, 2011

I'm using Kubuntu 10.04.2 LTS on a Bangho laptop. Kernel 2.6.32-28-generic i686. My card is: Realtek Semiconductor Corp. RTL8187B Wireless 802.11g 54Mbps Network Adapter iwconfig wlan0 gives me:

Code:
wlan0 IEEE 802.11bg ESSID:"Default_WLAN"
Mode:Managed Frequency:2.442 GHz Access Point: 00:06:4F:8D:B9:AF
Bit Rate=1 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr: off Fragment thr: off

[Code]...

Usually when this happens, for 10 or 20 seconds it appears to be connected (i.e. the heart symbol is there) but I can't ping google or my router, then it "realizes" it's disconnected. It takes one or two attempts to reconnect successfully by pressing the "active" button. Meanwhile throughout the disconnections and re-connections the signal is very strong (98%).

I had the same problem with my old access point, at first I thought it was the cheap/old hardware, so now I bought an "ENCORE ENDSL-A2+WIGX2 | ADSL 2+ Modem with 4 Port Wireless Router". The problem persists only with a stronger signal.

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Dec 14, 2010

today i installed ubuntu 10.10 on my hp mini 210 netbook. previously i had ubuntu netbook remix running and had no problem accessing the internet both wired and wireless; however, since installing 10.10 i have been searching for a solution for the last six hours but have been unable to get either to work.

as far as hardware is concerned i have a broadband bcm4313 802.11 network controller and am running through a linksys router which i know to be working because i have 4 other computers connected to it all with internet access. i checked ifconfig and a lo conection was listed but no eth0. i also tried downloading a broadband tar.gz driver but dont have any packages to build it and cant get any since the computer has no internet. i assume wired is easiest to setup so lets start there even though i use wireless 90% of the time. im new to linux so please dont expect me to know any terminal commands.

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Apr 30, 2011

Code: Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)

wlan0 IEEE 802.11bgn ESSID:"DUSTINSEE"
Mode:Managed Frequency:2.427 GHz Access Point: 00:22:2D:A2:D9:48
Bit Rate=150 Mb/s Tx-Power=13 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=62/70 Signal level=-48 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:5 Invalid misc:31 Missed beacon:0

it takes 3-4 refreshes to make a page load, when i apt-get something, my speed is an average of 400 bytes per second. Making it impossible to get anything done. its been like this for a while, i figured it was a bug in 10.10 and ignored it since 11.04 was coming soon. And with windows everything is fine. I'm getting very sick of this. Can somebody please help me? If you need more info, just let me know.

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Nov 23, 2010

I am a new Linux user and Maverick Meerkat happens to be my first Linux system i installed. Setting up wireless was pretty easy in GNOME as it displayed my wireless system and i just entered the WEP key and i was all set.I decided to install KDE. After i installed KDE i wanted to setup internet There. However the KNetwork manager is not as friendly as Network Manager. It does detect my wireless router, but after i enter the WEP key it does not get connected.

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I have recently bought a Toshiba Portege R700-15Q and installed kubuntu 10.04. A similar problem happens with kubuntu 10.10 booted from USB stick. I am a long-time linux user but not experienced with fixing problems. The wireless network is not enabled and it appears that linux does not know that there is a wireless capibility. This is both with and without an ethernet connection at boot. The wireless light on the computer is lit up, but when I go to Manage Connections the wireless and mobile broadband tabs are greyed out so can't be accessed.

iwconfig gives "no wireless extensions" for lo, eth0 and pan0.
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May 14, 2010

I'm having trouble connecting to our home wireless network in Kubuntu Lucid. I was hoping someone here might be able to help. I can connect with no problem in Ubuntu and Xubuntu; I'm having difficulty in Kubuntu only. It might just be me being unfamiliar with the KDE network management app, I don't know.

1. I click on the network icon in the system tray, and choose "manage connections". I click on the "wireless" tab, and click "add".

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3. Now when I right-click on the network icon and choose "create network connection", the new connection for our network that I just made shows up in the list, but it has an icon showing a pen on paper instead of the broadcasting signal icon that appears next to the neighboring networks. It also says my connection is "insecure", even though I chose WPA and put in the password. (Neighbors' networks do say WPA, WEP,etc.)

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My wireless card is Realtek 8192CE.
Here is the download page for the driver, in case I missed something.
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it is a very similar problem to this except that i am using ubuntu for the machine with the two connections.

right now i have my wireless on the 192.168.1.* address space, while the LAN is to be on 192.168.5.*

note: my goal is not to share internet with my laptop, just be able to connect to it and the internet at the same time.

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