Ubuntu Networking :: Wireless Connection Not Working?
Oct 25, 2010
Recently installed Ubuntu 10.04 on HP Pavillion ze5400.Wireless card is bcm94306MP. Wireless connection shows as disconnected. I am troubleshooting using the Ubuntu documentation on solving wifi problems. Ran ishw and it appears I do not have a driver properly installed. Obtained what I believe is the driver: bcmwl5.inf and bcmwl5.sys. Installed bcmwl5.inf using ndisgtk. I know its there as I can see it in System>admin>windows wireless drivers. However lshw still does not show it under configuration. I understand I must put the sys file in the same folder as where this inf file got installed. I assume all I do is copy and paste it into that folder. Is this correct? Next I need to find that folder. I tried the command find /home -name bcmwl5.inf and it did not show up. Can someone educate me just how to do this, that is find the folder and insert the sys file?
After I pass this hurdle then I will tackle trying to configure the card.
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Jul 18, 2011
I can connect to the internet with wired connection. The switch for the device is on but this command "sudo lshw -C network" has the following results:
#
[sudo] password for nn:
*-network
description: Network controller
product: BCM4312 802.11a/b/g
[Code]....
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Sep 11, 2010
I'm recent to Ubuntu and have just installed version 10.04 32bits desktop version along side my Windows XP.My wireless internet connection works perfectly under Windows XP as this thread can prove it, but it does not work on Ubuntu.When checking the connections on Ubuntu I see:Wireless Network - disconnected.
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Jan 9, 2010
I have a cisco linksys wireless adapter (WUSB600n) which, most of the time, great when booting up. But mostly after some time (1min- 1hr.) it disconnects. When checking the status I can see some of the networks around me, including mine. But selecting it doesn't do anything. I searched the forums and tried:
sudo dhclient
and
sudo /etc/init.d/networking restart
But still no connection; the only thing that helps is rebooting.
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May 5, 2010
I am using Ubuntu 10.04 LTS - Lucid Lynx(great interface!). But I am experiencing a very weird problem. The wireless internet works just fine at my apartment. But when I am in my school, it just stops working at all. It didn't use to be like that. It used to work in school too few weeks before. But I don't know what happened all of a sudden. I have checked with my school system administrator to know if there has been any change with the network. He said the network has always been the same.
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Jun 16, 2010
I'm using a WUSB54GC network adapter to connect to my home wireless network. My network was not visible, so I added it and it shows connected, but when I launch the browser, I can't get a connection. I'm using Ubuntu 10.4. All other computers on the network connect fine and I disabled my firewall to see if that made a difference.
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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 14, 2010
I have a laptop Acer aspire 5100. I installed Ubuntu a while ago and it was working well. Last week I updated it using Update manager and ever since I haven't been able to connect either wireless or wired connection.
I get this:
Code:
The wireless card seems to have disappeared.
I reinstalled Ubuntu and the problem persists.
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Apr 29, 2010
I just finished upgrading from 9.10 to 10.04 via the Update Manager. My first noticeable problem is that my wireless connection with my home network no longer functions on my IBM Thinkpad T42 laptop.The Network Manager applet shows that it detects my home network (and those of several of my neighbors), but I have not been able to get it to connect to this network. I've been using WPA & WPA2 Personal settings for security, and the Network Manager applet had correctly picked up the password that I had been using under 9.10. I've searched the Ubuntu Forums for "wireless T42" and thought I'd found a solution in a posting that recommended using the "wcid" network manager, but I've been unable to find wcid either via the Synaptic Package Manager or the Ubuntu Software Center.
1. I've noticed that in Lucid Lynx the Network Manager applet's icon in the top panel is no longer the vertical bars symbol that it displayed in
Karmic Koala; instead, the icon is a radiating fan display. In the Network Manager's edit Network Connections window, this fan icon is shown on the Wireless Connection tab, while the vertical bars icon is shown on the Mobile Broadband tab.
2. The Wireless Connection tab shows, on the line in which it shows awareness of my home wireless network (as "Auto 389690") that this connection was "Last Used" "1 month ago". It should be saying something like "today".
FWIW, the Network Manager detected my wired "eth0" connection with no difficulty.Both Jaunty and Karmic picked up my home wireless connection without any problems. Now I have no idea what to try next.
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Jan 22, 2011
I have just installed Maverick meekat on my new laptop with Wubi, and I have been trying to setup my wireless connection, but i couldnt. The first thing I tried was going to System>Prefrences>network connections, and clicking on the wireless tab. I tried to add a network think manyally, and I miserably failed.
here is the information I have of my laptop as of now after doing the lspci command in the terminal:
Network controller: Brodcom Corporation Device 4727
USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller Ethernet controller: Realtek Semiconductor Co., Ltd.
Also I have read somethings about ndis or using the windows driver and things of that sort. Whenever I am using windows, my wireless connection is working perfectly. So I dont know if there is a specific way to activate my drivers, or if my computer is just not capable of having wireless connection on Ubuntu.
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Apr 8, 2011
I have a new installation of Ubuntu 10.10 on my Aspire 1640Z, and since I have it, it's impossible to connect it to the web. I have a wireless connection on a SFR Neufbox (I'm french and it's a french box I guess). I've tried to be connected with a Sagem key. I have another computer with Windows XP, which is connected wireless with the same kind of key. When I use Network Manager, there isn't any automatic connection : "no network connection" and when I click on the logo of Network Manager, I can't click neither on "<<filaire>> network" nor "wireless network".
I also used Wifi-Radar, but there isn't any connection again. I created a new network on it, with the SSIF, code WPA, MAC.. But there's no connection and when I try "connect" it writes "could not get IP adress" (even if I'm in DHCP). I went to Syst�me > Administration > Network Tools > P�riph�riques > Interface ethernet (eth1) > Configurer > Wireless and I've writen the WPA, SSIF etc. again of my box, without any result. Here is what I have in the terminal with
[Code]....
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Sep 1, 2011
I have a problem with my wireless connection in ubuntu (natty with amd64bit) There seems to be intermittent disruption in my connection. Havent seen a pattern as yet, though it happens once a day. After that I cant get it to work at all and only restarting + reconnecting the USB device helps. Dont know what is going on.I have already read these pages : Commands and Wireless Troubleshooting.Here is my line of though1) Given that I am able to connect other devices to it while I am not able to connect through this desktop, I think the router is OK.2) I am able to work with it after restart + re-connection . And so the driver is OK and is loaded. The driver seems to be oK and loaded even while I am not able to connect.So why is this happening and how can I get this under control without having to reboot and re-connect the device everytime.Here are the output for the commands which will give you a more detailed idea of the process. Before reboot while I was not able to connect:
Code:
Script started on Tue 23 Aug 2011 01:40:08 PM CDT
raja@UshRaj: ~raja@UshRaj:~$ sudo nm-tool
[code]....
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Dec 27, 2009
I have a very strange problem with Fedora 12 and my wireless Broadcom 4311 card.After the installation of Fedora 12 the wireless card was visible but not activated. I did an extensive search in Internet and finally I got everything done. The card was visible and activated. I found my home network; the strength of the signal was nearly 100%.The problem is that although the card is visible and activated my browser is not working well. I can say that it is not working at all. Even now I am using other computer to write this message because Firefox cannot load any web page at all.
The strange part of the problem comes with the fact that when I open terminal window and when I am using yum everything looks OK. The speed is very low though.Does anybody have some ideas about the problem and its solution?When I use Windows on the very same computer everything is fine, the Internet speed is close to the maximum limits of my provider's speed which is 10 mbps.
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Jan 27, 2011
I have a dual boot (XP Pro and F13) laptop. This laptop has a Ralink RT2501USB Wireless Adapter which works perfectly fine on XP. But when it comes to F13, adapter only works properly when I am physically next to my router. When I move few feet away the strength of the connection drops from 100% to around 40%. But even though 40% should be okay for slow connection to internet, I can't get any internet access at all. I have tried three different routers with same results on each.
When I boot same machine with windows XP, all works fine. I can move to any part of my house and I will still have the connection without any issues.I can see that RT73 driver is installed if I check in add remove program under system.I am not an expert but to me its seems that the drivers on F13 for RT2501USB are not as good as on windows?
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Nov 9, 2010
I'm using Archlinux with NetworkManager to connect to the internet. When I'm in my room, I've an ethernet cable and still receive the wireless signal.Sometimes (like when we have a power cut, somebody is rebooting the router or simply something wrong with the provider), I'm disconnected during a few seconds, NetworkManager ask me again the password of the wireless (even if it remembers it), and then I'm ok.But when I'm not in front of my computer, while I haven't push the button "ok", it doesn't connect, even with the wired connection.That's not very normal in my opinion as there is supposed to have two different and independent connection. No ?
I intent to install an ssh server on my computer but if I cannot access it every time there is a problem that won't be very useful.
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Apr 8, 2010
I have ubuntu 9.10 and my wireless connection has been working perfectly until a few weeks ago when I updated my laptop. I can connect to the internet using my wired cable but not by wireless. There is nothing listed under my wireless list. I am new to this and have been unsuccessful in getting my wireless connection going again. I don't even know were to begin. I have a 2wire modem also.
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Mar 18, 2011
I've been using a RealTek 8190 PCI wireless card on my desktop in Ubuntu 10.04. The net819xp driver worked fine in ndiswrapper. Then my housemates got a new router and switched our wireless SSID & password. In network manager, I can see the SSIDs, but when I try to connect to our SSID, it continues trying to connect but never does connect. Something related to the router change and router firmware upgrade created this problem and i'm sure i need to fix it on my computer. All my windows7 flatmates are connecting with no problem. Right now I'm using my laptop, so i can't copy & paste results from terminal commands,
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Apr 21, 2011
I recently installed ubuntu in my laptop using a usb stick. everything seems to be working fine except the wireless connection. the notification area doesnt show wireless network at all. i tried browsing many forums n folled the steps suggested but in vain. with the command
sudo lshw -C network i get result as:
unclaimed
so, i tried using windows wireless driver (its Broadcom). i cannot install the ndisgkt package from the package manager. The package is shown but when i try to install, the package manager shows 'In Progress' and nothing happens. Hence, System → Administration → Windows Wireless Drivers is not displayed at all.
If a driver can be downloaded n installed, how to do that. I would download the wireless driver from my windows OS n install in ubuntu.
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Dec 2, 2010
my wireless network connection is not working but wired connection is working .at networkmanager wireless connections are not showing .
[walkingtree@localhost ~]$ iwconfig lo no wireless extensions.
eth0 no wireless extensions.
wmaster0 no wireless extensions.
wlan0 IEEE 802.11bg ESSID:""
Mode:Managed Frequency:2.422 GHz Access Point: Not-Associated
Tx-Power=20 dBm
Retry min limit:7 RTS thrff Fragment thr=2352 B
[Code]....
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Feb 4, 2011
I buy a new usb network adapter (Through DX), when I try to use it in ubuntu or BackTrack4 Final it is working, and connecting networks even with WPA encryption. But after few minuts it stops working totally. It is showing that I'm connected to the AP but web sites do not respond.
Notes:
- I have another PCI Wireless adapter which works fine.
- The problematic adapter works great on windows.
- A driver CD came with it, including a linux driver which I wasn't succesfully installed.
- A BackTrack3 Disc came with it, claming by the instructions that the adapter will work with it. I didn't try it because i have backtrack 4 final.
It took me dozens of surfing the web hours, and too many restarts,
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Mar 16, 2011
I'm having some problems with my wireless connection. I'm on Ubuntu 10.04, on a HP ProBook 4520s, with a RaLink RT3090 wireless network card. I installed the drivers (hopefully correctly), the wireless seems to work correctly, it scans and finds networks, but when I try to connect to one, it times out after some time, while still attempting to connect. I also have a wired connection that works correctly and without problems. Other computers that try to connect to said wireless network manage to do so without any problems, so this has left me a bit baffled, since, like I said, everything seems to be in order.
I'm a new Ubuntu user, so please tell me what other information I need to provide in order to easily and successfully facilitate troubleshooting this, because it is, as you can imagine, quite aggravating, having a laptop that needs to be connected to the internet through a cable.
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Jul 6, 2009
Intel Corporation PRO/Wireless 2200BG [Calexico2] Network Connection (rev 05) is not working on centos5.3
# uname -r
2.6.18-128.1.16.el5
# lspci | grep Wireless
0b:02.0 Network controller: Intel Corporation PRO/Wireless 2200BG [Calexico2] Network Connection (rev 05)
[Code]....
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Mar 28, 2010
A friend who switched ISP's gave me his old Linksys WRT54-G wireless router. I went through the installation procedure and had a wireless connection up and running - smiley face. I had security set up for WPA, and decided to upgrade it to WPA2. Another smiley face. When I went to connect (had already done so successfully), I noticed it referred to my wireless as Linksys - I was expecting to see the SSID. So I started playing around in Network Manager and now I have things all effed up.
Don't know exactly what I did, but now I have no wireless. So I ran a few commands (lshw -C network, iwconfig, ifconfig, and iwlist scan), and looking at the results I see what appear to be inconsistencies in the output. I've posted them below, and make the following observations:
1. Under the lshw it refers to my wireless connection logical name as wmaster0, and has the correct MAC address, etc.
2. Under the iwconfig it says, 'wmaster0 no wireless extensions', but then refers to wlan0 as the wireless connection (although it does not seem to be running).
3. Under ifconfig I see both a wlan0 and a wlan0:avahi. The wlan0 has no IP, the wlan0:avahi does, but it is incorrect.
[Code]...
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Jan 24, 2010
Its a case of ".... wireless network connection active but still not internet connection .."I am using WEP - 128 key ... Works when I connect directly using ethernet cable ... but not wireless (pci and wireless router)
ubuadmin@ubucomputer:~$ ifconfig
wlan0 Link encap:Ethernet HWaddr 00:06:25:12:83:3b
inet addr:192.168.1.10 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::206:25ff:fe12:833b/64 Scope:Link[code].....
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Jun 11, 2011
My problem is exactly the same as [URL]
but I am stuck at the last hurdle
here are the output of the command that helped to solve the case in the previous post:
ifconfig wlan0
wlan0 Link encap:Ethernet HWaddr 00:1b:77:d2:59:55
inet6 addr: fe80::21b:77ff:fed2:5955/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
[Code].....
I have also tried sudo dhclient but it hasn't helped and I am still unable to connect to the internet
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Jun 21, 2009
I have installed Fedora 11 recently. I want to share my Internet connection.
I have e LAN connection eth0 which is connected to internet.
I have a Wireless connection wlan0.
I want to share my internet connection with wireless connection.
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Feb 4, 2010
I have two linux laptops. Currently, I'm using both of them at work, side-by-side. Now the problem is, I'm connected to a wireless router, but the wireless only works on one of the laptops. So I'm stuck with one laptop that has no access to the internet. Both machines do, however, have working ethernet nic cards. So, I was wondering if I could use the laptop with the wireless connection to share the internet connection with my other linux machine and access the internet on both of them. Or as an alternative, just use the internet on the machine without wireless and be able to switch back and forth, that would increase my productivity like 30 fold.
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Dec 21, 2010
I am running FC13 on a Compaq Presario 2100 using a Broadcom BCM4306. I was able to get it running thanks to Fedora Unity Project. But It's a very unstable connection. I don't know what settings to adjust or enable or disable. It's not my router, this is the only wireless connection in the house that I have trouble with.
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Nov 23, 2010
I am wondering how to setup a wireless connection (I am using WPA or WEP, does anyone know how I can figure that out) and I don't have access to a wired connection and I am not able to reset my router. Does anyone know how I can get my wireless connection working?
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Apr 2, 2011
I have installed Suse 11.4 recently and I'm trying to run the wireless connection and doesn't works.
Details:
card: pro/wireless 2200BG Calexico2
driver installed (as console said) kernel driver:ipw2200
hwinfo:
Code:
linux-4pom:/home/victorplata # hwinfo --netcard
25: PCI 604.0: 0282 WLAN controller
[Created at pci.318]
Unique ID: JNkJ.BmKY+aW7YM0
Parent ID: 6NW+.pbi2aV6ikBD
SysFS ID: /devices/pci0000:00/0000:00:1e.0/0000:06:04.0
SysFS BusID: 0000:06:04.0
Hardware Class: network
Model: "Intel PRO/Wireless 2200BG [Calexico2] Network Connection"
Vendor: pci 0x8086 "Intel Corporation"
I have tried to connect by traditional method with YAST, just recognized one network call "Hotel Riga 228", but doesn't connect. Also I have tried to connect with Network Manager but this application doesn't recognize ANY w. network.
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