Ubuntu Networking :: 10.04 - No WiFi Connection (Light Randomly Flickers)
Dec 8, 2010
I have installed XUbuntu 10.04 but cannot connect to WiFi. Here is what I know so far:
Hardware and Software configuration:
Compaq Presario 2100US
XUbuntu 10.04 (installed Dec. 2010 from Live CD dated Oct. 2010)
Kernel 2.6.32-21-generic
Gnome 2.30
RAM Memory: 938.7 MiB
Processor: Celeron
Disk Space Avail 23.2 GiB
Wireless Card: MSI Wireless 11G CardBus CB54G2
*MSI Driver rt2500pci located in system (see below)
No wifi 'on' 'off' hardware switch on machine
Prior to the install of Xunbuntu 10.04 (Lucid Lynx) the machine carried MSXP. The wireless card came with the machine. The machine used a cable connection by previous owner. Connection's been working fine in Ubuntu Jaunty Jackelope and Puppy Linux. Wireless card appears to be functioning. The system scans for the network, shows that connection is established by both icon in tray and message saying that a connection is made. The card shows both green lights active. The light that indicates a connection is on and randomly flickers. Tested Firefox for connection. Firefox is not receiving anything from the system. I have got the network manager functioning enough to say that I have a 'connection' but still cannot connect to server.
Network Connections
wireless: linksys - mode ad hoc - MTU auto
wireless: security - none (I borrow from a neighbor's wifi)
IPv4: auto(DHCP)
IPv6: Ignore
*Driver rt2500pci located in /sys/module/rt2500pci/drivers/
(There is a 'config' file in this directory)
Help menu in 10.04 is listed as help menu for 9.04 so don't know if applicable to 10.04 debugging. When 'troubleshooting' wireless connections, I did a *sudo lshw -C network* command on terminal. The results *do not* show 'Claimed, Unclaimed, Enabled or Disabled as help menu indicates. The line that would show that information (*-network) doesn't have 'Claimed, Unclaimed, Enabled or Disabled'. I can send image of this query. I have tried two other wifi cards with similar results, no connection.
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Jan 25, 2010
I have an Asus laptop with a BCM4318 wifi chipset. result of lspsci command about wifi cards:
Code:
00:09.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02) For some reason, I often get disconnected. Once it's disconnected, I cannot connect anymore and I need to reboot my laptop in order to get the connection back! I didn't have this problem when I was on Ubuntu 8.04. I checked in /var/log/syslog and I found this when the network is disconnected:
[Code].....
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Sep 27, 2010
i have dell latitude d830. has anyone else had this problem? it drops and reconnects every 10 minutes or so.
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Oct 8, 2010
It has a button next to the power to show the wireless status, on or off. If I turn the laptop on with the wireless active, it keeps flickering between on and off states, and gives me a really slow connection.It happened in 10.04 if I booted with the wireless activated, but could be fixed by resetting the wireless. Now in 10.10, it happens constantly, and I just wont stop.My laptop is a CompaQ Altec Lansing running 64 bit.
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Jul 1, 2011
I had a problem with the new network manager a week ago and got it solved with help from the forum so now I'm back again. I have a dual boot with Windows 7 (I have to use it when serving my corporate masters) so I wasn't in my Fedora partition much this week.
I just noticed this and I'm positive it wasn't doing it before my network manager problem but I'm not sure when it started or if they're related.
I'm running F15. The machine is an HP Elitebook 8440p and has a wifi light that is also a touch button to turn the wireless on/off. Whenever there is activity on the network now it blinks between orange and blue. I know that isn't really a big deal but it's really annoying and is driving me completely nuts!! The normal behavior is orange when it's off, solid blue when it's on (or connected) and blinks orange/blue just while it's connecting. During network activity it's always been just solid blue and that's what I want.
I found a script that some Ubuntu users said fixed the same problem but when I tried to copy it the directory they said to put it in "/etc/network/ifup.d" doesn't exist. I'm assuming that's a distro difference between Ubuntu and Fedora?
Has anyone else seen this? Any ideas how to fix it?
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Dec 13, 2010
I installed Ubuntu 10.10 amd64 online today. I was using 10.04 32-bit before, and the network drivers were easy to find and install. Ubuntu did the job for me and they worked flawlessly. It was a relief I didn't need to search around.
Even though 10.10 (64bit) found the drivers for me, both ethernet and wireless, they do not seem to be working alright. I installed both, made a restart. I found that the WiFi light on my laptop stays on, even if the wireless network is turned off using either the key combination (Fn+F2), or manually turning it off.
Issues with the ethernet? I am right now using ethernet but it does not care to detect the connection. Empathy won't connect automatically as a result- says no network connection. But here I am, posting this. Evidently, there is a connection, right?
Issues with the wireless? The WiFi light stays on all the time, and it isn't able to get hang of the connection I have at home. It just won't show any wireless connections available. When I tried to connect by giving it the SSID and the encryption type and password, it didn't work. Just kept asking for the password again and again (I have checked with the router- the password is correct).
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Apr 28, 2010
I posted this on Launchpad under bug# 569445 and though I'm certain someone in our heroic development community will have a look at it eventually, maybe someone can help me here in the meantime, or at least provide some background info. Maybe a little reassurance that Ubuntu isn't broken for my Wifi is all I need.
Quote:
Binary package hint: wireless-crda I do hope I've picked the right package for this. Investigators, feel free to email me with whatever bash commands you need me to find out more about the hardware. The problem is that wireless in Lucid is dying for me after about a minute or so, and the activity light on my netbook just flashes. The wireless monitor at the top of the screen still thinks it's connected. It's like it's out of sync or something.
This doesn't happen under Win7 on this hardware, nor does it happen to other devices in my house on the network. Also, I wasn't having this problem under Lucid Beta 1 I have an Acer Aspire (Olympic Variant) 1410 Win7 reports the adapter as Intel WiFi Link 1000 BGN The wireless router I'm using is a DLink DIR-628. The connection is OPEN.
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Feb 11, 2010
I installed Linux yesterday alongside windows vista. Everything went very smooth. I restarted the computer multiple times without issue, and the menu would pop up asking me which os to load. Everything was good. But today I attempted to boot up my computer and nothing happens. The screen just stay black. The lights come on on the laptop, but nothing else. Either I try to boot it and it goes on then off quickly, or it just sits there, still on, with a black screen. I don't know if this is related, but when I was messing around with ubuntu yesterday after I installed it, it would randomly freeze and my caps lock light kept blinking on and off. I was forced to restart when this happened and then everything would be ok.
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Apr 8, 2010
I have 2 connections, wlan and wired, and I'd want to have a few websites (in my browser) to connect through the wireless connection while other go through the wired rj45 connection. s it possible? (without unplugging the rj45 cable...)
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Feb 20, 2010
I have a windows installation (partition) but have installed into freespace on the same drive using the auto-partition manager, etc, and everything is fine. I got my network going fairly easily by going Preferences > Wireless and inputting SSID and WPA encryption key (PSK). My router issues an WLAN IP, I can get on the net, I can see my other Windows PCs on the network, I can reach my router, and all is good.So after several hours of mooching about and looking at things, I have updated all the Linux packages via Synaptics (following a prompt to update everything) including GRUB. My dual boot now shows two versions of the OS:
GRUB 1.7~Beta4
Ubuntu, Linux 2.6.31-19 - generic (I am booting this one)
Ubuntu, Linux 2.6.31-14 - generic
I also set up my HP F4580 printer over wifi on the network though with slightly incorrect drivers (for the F4400 series as this was recommended at the closest match). It works, and I can print a test page no problem.The only thing is that now (since doing all that) Ubuntu seems to periodically drop my connection to the network and then request the network PSK again, but when I enter it, it spends time trying to renegotiate but fails, and then re-requests the PSK, over and over and it never reconnects. I have to reboot and then I can connect again (automatically), until it drops at some random point (like 5 or 10 mins later)
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Jun 5, 2010
I could not find a solution to this problem anywhere. I use a ubuntu server to play (stream) mp3s and movies to other computers on my network. It works most of the time, but sometimes in the middle of a movie or a song it will drop/hiccup--saying it is "not reachable". I am not overtasking the server at all, and merely playing an mp3 that takes up less than 10% of the bandwidth, yet it drops it for a split second.
I have a WRT160N router (DD-WRT of course) with 4 clients connected (2 of which are wired). The ubuntu server is connected via ethernet and all machines have the same issue. It can't be the router because another Windows machine works just fine for streaming these files. I just can't understand how it can lose connection for a second or so. It may just be the file-system or some service that is hiccuping, but I have no idea...
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Aug 18, 2010
I do randomly (as far as I know) loose my wireless network connection. The only thing to do then is to restart my router and after that it works for a while. I know this is not a hardware issue because I don't have this problem with KDE, only in gnome. I think this problem occurred after I started using 10.04, but then I changed to KDE and forgot about it. But now I'm using gnome again and loosing my network connection over and over drives me mad
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Nov 20, 2010
My internet connection drops randomly in ubuntu but works fine in XP.The connection is not disconnected but i cant browse any sites,so what i do is i will reboot my system so that i can surf again but after few minutes the same problem is happening again
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Nov 30, 2010
I am running the newest version of Ubuntu on my laptop. The connection randomly seems to massively slow down. After a speed test is run it registers at .05 download and Ubuntu crashes before it gets to upload. I reboot from the crash and it runs fine for a while, then it suddenly does the same thing. The connection is running fine on my Windows 7 desktop, I don't know what is going on. In transmission the upload speeds are running at ~100kbps though. If I try downloading a mere 400kb .torrent file it stops half way through, usually at 200-300kb done, downloading at 1.2kbps the entire time. This is getting very frustrating and I really don't want to go back to Windows.
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Feb 6, 2010
My ubuntu karma desktop is plugged into a wired connection that goes through a router and into my cable modem.Everything was working fine like it had been foseveral months yesterday morningSomething happened by the end of the day that has screwed up my wired networking. I plugged my laptop into the same cable thats plugged into my ubuntu, and the cat5 cable is live. Also when I plug said cable into the ubuntu box, the ethernet lights come on, or atleast a solid green one. Meanwhile the network connections Icon continues to have a red X and a tooltip saying "No network connection".
Under network settings, there is only one wired network "Auto eth0", but it says "last used: never" which is strange since I've been using this for months. When I click edit the main settings are MTU automatic, ipv4 automatic DHCP, and ipv6 ignore.hat could the problem be? By chance did a karma update get released that broke the networking
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Sep 1, 2010
The title pretty much says it all. My eth0 will disconnect at random intervals. lspci:
Code:
...
01:08.0 Ethernet controller: ADMtek NC100 Network Everywhere Fast Ethernet 10/100 (rev 11)
...
And lsmod | grep tulip:
Code:
tulip 50592 0
Ubuntu 10.04 Linux desktop 2.6.32-24-generic #42-Ubuntu SMP Fri Aug 20 14:21:58 UTC 2010 x86_64 GNU/Linux
When it disconnects, it easily reconnects when I disable/enable networking. But until I do.... Update: It disconnected again right after I posted this. Here is what dmesg | grep tulip:
[Code]....
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Jun 30, 2011
Since I installed Ubuntu I've had this problem that makes me loose connection to the Internet. The wireless-icon on the panel starts loading, and after like 5 minutes, it works again.I had this problem when I had Mint 11, but it happened more often.Anyone know how to fix? Edit:Network: Card-1 Atheros AR9285 Wireless Network Adapter (PCI-Express) driver ath9k Card-2 Marvell 88E8040 PCI-E Fast Ethernet Controller driver sky2
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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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Feb 20, 2011
Hey all, I have got this strange problem with my Slackware server acting as router and gateway to my internal network. It randomly disconnects the WAN connection after X days ( it is between 2-7 days ). This error messages occured in /var/log/messages just before it lost its WAN connection:
Feb 20 14:36:00 tml dhcpcd: eth1: failed to renew, attempting to rebind
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May 2, 2010
Since I upgrade to Ubuntu 10.04 my wireless connection is very unstable. I install the needed wireless drivers from 'Hardware Drivers' (Broadcom STA wireless driver) and I got wireless connection, but it randomly disconnect, and also connection is very slow.
I think that the problem are the drivers which are not very compatible with this version of Ubuntu, which means we need to wait for update? I have HP ProBook 4510s laptop, Intel PRO/Wireless 5100 AGN network card & Gembird NSW-R2 router. I'm only having this problem on Ubuntu 10.04, on other OS's the internet is fine.
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Jul 17, 2009
I'm having a bizarre problem where my network connection stops working randomly. At first I thought it was a DNS issue since Firefox simply chilled out on "Looking up [hostname]" until it timed out, but after further investigation (pinging IP's, "host" and "dig" being unable to reach servers) it became apparent that I couldn't even access the DNS servers i.e. the Wicked Connection of the East was most sincerely dead.
There are two strange things about this: one, there are no errors except "timeout". The network manager is happy, Firefox is happy until the lookup fails... Two, the failures only start *after* DHCP configuration. DHCP configuration never has any trouble sending or receiving packets. I'm going to try static IP and whatnot to see if that helps, more information later.
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Jan 11, 2010
I've just installed the ubuntu 9.10. I have one problem with it. I have a home net in configuration: Windows XP on a cable, Ubuntu on a cable and Windows on wifi. When I'm surfing on the net on Ubuntu, Wifi isn't work how it should. It's very slow and I don't know what to do with it. Windows XP on a cable is OK, it works good. What happen and how can I repair it?
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Feb 3, 2010
I just recently installed Ubuntu 9.10 on a dell laptop. My WiFi connection that I've been using on the same computer for years is not working when I log on. However if I run the burnt image cd and choose the option "Use Ubuntu without making any changes to your computer" I am asked if I want install proprietary drivers. If I activate one "Broadcom STA" I can connect to the wireless connection in my house. When I am using the version installed on my laptop it doesn't ask me if I want to install the drivers and it doesn't even find them when I go to hardware drivers under system. So to sum it up I can get connection when I run Ubuntu from the cd but not when I run the Ubuntu on my laptop.
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Jul 23, 2010
I cant connect with ssh to my workstation using my notebooks wireless lan. with cable I'm able to connect.so the funny thing is, if I first establish a connection from my workstation to my notebook (like ssh it or just ping the notebook) I'm able to create a ssh connection from my laptop to the workstation using wireless lan.scanning my workstation from the wireless lan of my notebook with
Code:
nmap -sT -p 22 ventury
says port 22 is closed
scanning it from the notebook with cable lan,it says port 22 is opened
scanning it from the wireless lan of my notebook an have sent a ping from the workstation before says port 22 is opened.ution.
I got a 64bit version of Kubuntu 10.04, up to date, installed on both, my workstation(ventury) and my notebook (defiant).the question is: Do I always have to ping my notebook first if I want to ssh from it to my workstation or is there some other solution? And why does it work fine with cable, but not with WiFi?
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Aug 5, 2010
I just removed ubuntu-desktop in favor of kubuntu-desktop. Now I can't create an ad-hoc wifi connection however hard I tried from network-manager. It simply is not visible to other PCs. And when some connection is created on another ubuntu PC, I can't connect to it.. I switched NM off and tried the CLI way.
[Code]
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Jan 9, 2011
I'm brand new to Ubuntu, and Linux in general, and honestly don't know what I am doing. I installed Ubuntu 10.04 on my external hard drive and am able to boot fine (other than an issue with my monitor falling asleep because my graphics card needs a different driver. I have a work around for this that i'm currently using but I would like to fix it permanently and thus need an internet connection.)
When trying to connect to the network in my home, I am unable to. I click on the WiFi symbol in the top right corner, and I can see my network. I then click it and a page comes up asking for the key. I put it in but it doesn't sync and usually after a minute or so it pops back up asking for the key again.What can I do to gain internet access? I'm unable to connect my computer via a hard wire Ethernet cord and need to sort out this WiFi issue.
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Mar 14, 2011
I bought my MacBook Pro at the beginning of the school year when I went to college. I am now living in a dorm where I do not have access to wired internet connection, so I cannot just plug my computer in to download stuff. If need be I can of course borrow someone else's computer to download something and then just transfer it over with a flash drive.
Anyway, I have a virtually new MacBook Pro that I bought in August. Using refit I have dual-booted OS X and Ubuntu (obviously I am posting this from within OS X) but I cannot manage to get connected wirelessly to the internet. I have tried this many many times with many many distros and have never once been able to connect. I understand that there are various tutorials around but none of them seem to help me at all and I really want this to work. I've been looking around and trying things for about two days now. Can someone give me step by step instructions (or point me toward some simple ones) starting, if need be, from a fresh install as to how to get wifi working on my macbook pro? I am also completely willing to switch versions of Ubuntu if that would help.
Ubuntu 10.10
Hardware-
MacBook Pro 7,1
Intel Core 2 Duo
Card Type: AirPort Extreme (0x14E4, 0x8D)
Firmware Version: Broadcom BCM43xx 1.0 5.100.198.11 )
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Aug 3, 2010
I just installed Fedora 13 on my HP HDX 16 laptop (and accidentally corrupted my vista partition by resizing it so I'm pretty much stuck now. ^_^)
The light for the wifi toggle button constantly flashes between blue and orange (normally meaning the wifi card is on or off). Does anybody know how I can fix this?
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Oct 24, 2010
Strapping to 2 wifi connections together how would i do this?uld i need a dedicated machine?
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Jan 15, 2011
I am new to linux and also new to this forum. I love how light Slax is but it won't let me connect to my wifi. It scans and finds my router but the option to switch to the network is grayed out. How can I fix this problem?
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