Ubuntu Networking :: Hardware Detected But No Wireless Connection
Jan 6, 2010
I'm new to Ubuntu and have just install Koala on an old PackardBell EasyNote with an Atheros AR5001X onboard PCI Wireless card. From reading all sorts of threads and posts, I think that the hardware is being detected but is not being given an IRQ (if that's correct terminology). See the outputs from various commands below:
dmesg:
[ 15.429732] ath_pci 0000:00:06.0: enabling device (0000 -> 0002)
[ 15.429745] ath_pci 0000:00:06.0: can't find IRQ for PCI INT A; please try using pci=biosirq
[ 15.429794] wifi%d: request_irq failed
lsmod | grep ath:
ath_pci 196788 0
wlan 228464 1 ath_pci
ath_hal 362144 1 ath_pci
lspci:
00:06.0 Ethernet controller: Atheros Communications Inc. Atheros AR5001X+ Wireless Network Adapter (rev 01)
lshw -C network:
*-network:0 UNCLAIMED
description: Ethernet controller
product: Atheros AR5001X+ Wireless Network Adapter
vendor: Atheros Communications Inc.
physical id: 6
bus info: pci@0000:00:06.0
version: 01
width: 32 bits
clock: 33MHz
capabilities: cap_list
configuration: latency=96 maxlatency=28 mingnt=10
resources: memory:3c000000-3c00ffff
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Feb 2, 2011
I have searched and have not found anything specific to my issue. I am currently using NDISWrapper to load the bcmwl15 driver and when it's active it works beautifully.Problem is sometimes at boot, the card doesn't "turn on" and I don't know how else to describe it. The OS does not even detect that the hardware is present. I have disabled wireless hotkey in BIOS. The only way to make the wireless card "active" is to reboot with the wiredconnection to the router. After doing that the wireless card "wakes up" and works awesome.Is there anything I can do to make sure the driver load at boot?mes I get the error that NDISWrapper is not modprobbed when I go to network configuration and if I wish to do i now? I don't know if that has anything to do with the boot sequence. Using the <modprobe ndiswrapper> command as root does nothing permanant
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Aug 20, 2010
I fixed my overscan problem from last time by installing Ubuntu V9.04, the newest version for the PS3. And now I am trying to connect to the internet. Ubuntu does not detect my Buffalo Wireless - G High speed router. I have contacted the Buffalo support and they said that their router is not compatible with Linux. How Can I get Ubuntu to go on the internet? Can I try plugging and connecting the PS3's Ethernet port to my router/modem or will I have to buy a new router entirely? If I have to, what routers out there support Windows, Mac and Linux?
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Dec 20, 2010
I recently bought and installed the Trendnet TEW423PI. Running ubuntu 10.10I downloaded ndiswrapper and it tells me:net8185 Hardware present: yesYet,cannot connect to the internet wirelessly.How do I go about setting this up?What do I need to type in the terminal
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Jun 20, 2011
I'm running 11.04 on a Toshiba Satellite L350, and recently (well, for the past couple of weeks or so), I've been unable to connect to my network via a cable, only with wifi.
It isn't that it's unable to connect, it just doesn't show up in Network Manager.
My housemates, who run Windows, have no problems, so it's obviously something on my end...
Edit: I also tried connecting using wicd, but that doesn't detect it either.
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Aug 10, 2011
After ubuntu did some updates, I restarted and then no wired connection was detected.The following may partly clarify the problem:
sudo dmesg | grep eth
(I dont get anything for this)
ifconfig
[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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Jan 9, 2010
I have freshly installed ubuntu 9.10 and moreover i am completely a newbie to Linux. The problem now i am facing is, i am not able to configure my wireless router. I tried finding drivers for it in System->administration->hardware drivers. But it showed me none. Then i checked out one of the threads in this forum and came across the 'lspci -nn' cmd. This gave me the info abt my wireless network controller and it was : 'Broadcom Corporation BCM4312 802.11b/g [14e4:4315] (rev 01)'.
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Feb 14, 2010
I have been having trouble getting my network card to access networks. I currently am using a wired connection. A while ago when I first installed Linux on this same computer, I got it working by installing the driver. But since I reinstalled Linux, I tried the process again with no success. Can anyone give me explicit instructions on installing the network card driver so I can use it on Linux.
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Apr 5, 2010
I'm dual-booting Ubuntu 9.10 (upgraded from 9.04) and Windows 7 on my Dell Inspiron 1525 laptop.Ubuntu doesn't recognize any wireless network (both in 9.04 and 9.10); my Windows OS works perfectly well with wireless, as does my wired Internet connection with Ubuntu and Windows.I've had this problem on previous installations of Ubuntu (I've removed and re-installed it several times) but I can't locate the solution anywhere. I've tried numerous fixes that I've found online, but none of them have worked.System>Administration>Hardware Drivers tells me that the Broadcom STA Wireless driver is activated and currently in use
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Apr 30, 2010
I have just upgraded from 9.10 to 10.04 and now my wireless card isn't being detected as far as I know. It was working perfectly in the previous version. At the moment I've physically put an ethernet cable straight to the router.
[code]...
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Jul 17, 2010
im on compaq presario cq40 (amd64 turion x2) and recently install ubuntu.10.04 using wubi with dual os.. im installed wireless braodcom BCM4312 802.11b/g LP-PHY 'bcm43xx-fwcutter_006-3_amd64.deb' driver for my laptop and restart my machine.. when i go to > hardware dirver, there is no driver installed.. any suggestion? or lists any driver compatible with my laptop..
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Nov 21, 2010
I've tried every fix i could find. I'm on a Dell Inspiron 1420 running Ubuntu 10.10 lucid lynx using a BCM4312 LP-PHYi've tried everything to get my wireless networks to connect but nothing works. I finally got my computer to recognize my wireless card but it doesn't detect or connect to networks. Before i was able to at least see the networks but not connect or stay connected once i disconnected the ethernet cable. i will post the output of ifconfig, iwconfig, iwlist scan
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Apr 26, 2011
I've used this computer to connect to a wireless router before. I recently moved and for some reason it isn't working.I have a too long of an lspci output to type (I'm on a different computer).
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May 10, 2011
I have been using Ubuntu at my home laptop (Dell) have had no problem. However, recently I installed 11.04 in my office laptop - Lenovo B450, but 'm unable to connect thru wireless.
It is simply not detecting the wireless. I have a dual boot with Windows 7. Windows 7 detects wireless (surprisingly).
I have tried configuring the network connection in all possible way (manual / auto).
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Jun 16, 2011
I know there are a million threads about this, but my problem tends to be slightly different. I've read the sticky on here, I've googled around for a few days now, I've re-installed new drivers, tried a lot of different things. A lot of people seem to be having the issue of being able to see wireless networks, but they can't connect. I'm not that far yet.
When I click on my connections area, near the top right of the screen, then I got to edit connections, under wireless there is no wlan0 or eth1, where as if I do the same for the wired network, it lists a eth0. For some reason my wireless is on eth1, but I can only see that though lshw -C network.
Sometimes my laptops wireless "Light" is on, and sometimes its not. When its on, it means the wireless is enabled. But even when it is on, unfortunately I still have the same issue. I'm on Ubuntu 11.04 64-bit. I'm using an Acer Aspire 7552G-5430, it has the BCM43225 Wireless card.
Here is my lshw -C network
network
description: Ethernet interface
product: NetLink BCM57780 Gigabit Ethernet PCIe
vendor: Broadcom Corporation
[Code]...
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Jun 18, 2011
Wireless not detected I'm on Ubuntu 11.04 64-bit. I am using an E machine laptop with a duel boot Win XP and Ubuntu. Both systems work great, the XP can go on line with a touch of the Fn and F2 keys but the Ubuntu mode will not.
I do not have a manual switch or button to activate the wireless. I dont want to mess up the windows XP Fn, F2 connection when I boot into XP. What should I do to connect Ubuntu to the Internet?
Are there other keys to activate wireless in Ubuntu or the wireless (addresses) routers in my area?
Is there a directory of key combinations that work with Ubuntu?
I used Ctrl, Alt and 6 rfkill list to find that.
Wireless Lan
Soft blocked: no
Hard blocked: no
I am using a Linksys Router.
I can connect Ubuntu with a wired connection but not wireless. My drivers are up to date.
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Jun 18, 2011
I bought a new TOSHIBA C660 - i5010 today and installed.Lucid Lynx 10.04 on it, but it has not detected my wirelessg broadcom 80211 (STA) driver debp interface.
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Jun 26, 2011
I am using a Compaq presario laptop. I installed Ubuntu 11.04 (32 bit) within windows 7.Initially my WiFi was running fine in Ubuntu without me doing anything. Now suddenly Ubuntu has stopped showing any of the WiFi networks. I have not done any changes in Ubuntu.When i booted to my Win 7, it was able to detect the network. I uninstalled and reinstalled Ubuntu, with no avail. But Ubuntu is able to detect the wired network when connected. I am at a loss.
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Nov 20, 2010
I have just started to work on Ubuntu (Ubuntu 10.4 LTS) and I am having some problems to get a WUSB600N vers. 2 802.11n adapter working. I have followed the procedure described at [URL] . The compilation has been successful and I can see the kernel loaded an the module detected:
Code:
adrien@ubuntu:/$ lsmod | grep rt3572
rt3572sta 612272 1
adrien@ubuntu:/$ lsusb
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
[code]....
The wireless adapter is detected by the system and it can scan the neighboring APs (cf. below with MAC address made unreadable):
Code:
adrien@ubuntu:/$ sudo iwlist ra0 scan
[sudo] password for adrien:
ra0 Scan completed :
Cell 01 - Address: --:--:--:--:--:--:--
Protocol:802.11g
[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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Mar 1, 2010
im having some trouble connecting the wireless card to my wifi network, theres is a hint using the terminal
remora@remora-laptop:~$ sudo lshw -C network
[sudo] password for remora:
*-network DISABLED
description: Wireless interface
[code]....
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Mar 21, 2010
I am running Karmic on a Compaq Presario V3000 and this morning my wireless card is not being detected by Ubuntu's NetworkManager. I have no idea what caused this... literally, it was working when I shutdown my laptop last night. When I right-click the NetworkManager icon in the panel it does not show "Enable Wireless" (only "Enable Networking"). When I run ifconfig in terminal it shows my wireless card as being there (UP Broadcast Multicast). One weird thing - on the front of the laptop there is an LED which lights up blue when the card is working (ie normally), but right now it is orange (ie, if you flick the switch on the front of the laptop to toggle the wifi on or off... I have toggled it back and forth but nothing changes!)
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Apr 23, 2010
No wireless upon re-installation of 9.10 Drivers seem installed. No wireless networks detected. code...
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May 15, 2010
I am using a Toshiba Satellite M200. Sometimes after a wakeup ubuntu does not detect any wireless networks. This does not happen all the time only some times but, when I restart my computer the wireless networks are detected.
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May 15, 2010
I just installed the latest version of Linux on my Dell Mini 910 and it's now not picking up my wireless signal. The wireless card is enabled so I'm not sure what's going on. Btw, I tried entering the smb command that was given to the other member about 4 threads down as he had the same issue. Didn't work though.
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Aug 15, 2010
I've installed Ubuntu 10.04 32 bit version(dual OS) on my 64 bit Pentium core2 duo 2.2GHz processor. Everything seems to be working fine except it's not getting connected to wireless network, although it's detected the network .It was working fine(got connected to wireless network) when I had installed the same OS via virtual machine.
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Oct 7, 2010
i installed backtrack recently....and wireless networks are not detected.... which deb to install because it is based on ubuntu 8.10
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Jan 29, 2011
I have a msi netbook with ubuntu netbook remix installed and it was working great until yesterday when suddenly it stopped detecting my home network. There are no problems on my two other machines, so I'm sure the problem is the netbook. I have no idea how to go about troubleshooting this. I was hoping someone could help me by giving me a place to start.
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