Ubuntu Networking :: Suddenly No Connection Anymore - Connecting Wireless With My Netbook
Feb 14, 2010
I am using UBUNTU 9.04 on a HP mini notebook. I pratically never had problem connecting wireless with my netbook, expecially with this connection at home. Until yesterday. There were some line problems, that have been solved after some hours. Then I was able again to connect.
I didnt do nothing on the netbook. After 2 hours, connection gone. Now, even if other laptops are wonderfully connected (to the same line), mine has a dramatically slow connection (in the sense that is able to open just the first page of google if I am lucky) or no connection at all (even if the signal looks good on the network panel.
I tryed the help for wireless troubleshooting, checked for device recognition. Putting in terminal sudo lshw -C network Says disabled. But the device of the wireless on my pc is on, and it's also enabled in its panel.
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Dec 28, 2010
Only been using linux for about 2 weeks now. Yesterday my internet worked without a hitch now today all of a sudden it wont connect. I had the "Install problem! The configurataion defaults for gnome manager have not been installed correctly" so I deleted my music directory and now it boots fine, dont know if that might be part of the issue/ I dual boot win7 and i can get wireless on that partition but not ubuntu
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Dec 10, 2010
My laptop has been working fine with ubuntu 10.04, and earlier today it shut down after running out of battery. I came to use itr and discovered that the wifi icon had disappeared from the panel bar, and it won't connect to the wireless networkor via a wired connection.I have had a play around with this, tried ping -c5 google.comresult was:ping: unknown host google.comand ping -c5 4.2.2.1result: onnect:etwork is unreachable.I have other computers connecting to this network and know that it is working fine.
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Jul 20, 2011
Just had an issue crop up where connecting wired network seems to stop wireless connections from getting an IP (happens on multiple networks both while the cable is plugged in and once it's been unplugged; also persists across reboots). Machine is a Dell Latitude 2120n with UnionFS running. Connection was working fine prior to the wired connection
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Dec 13, 2010
I am working with ubuntu (gnome) 10.10 maverick 64 bit on a HP pavilion 2713ca. I have installed the Broadcom sta driver for a BCM4328 wifi driver. After setting wpa security with my password, the wifi network worked for many weeks. However, in the last few days it does not connect no more. I have tried to reinstall SSID. And I have checked to see if eth1 was still there:
root@max-HP-Pavilion-dv2700-Notebook-PC:/home/max# iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
eth1 IEEE 802.11abgn ESSID:""
Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
Bit Rate:14 Mb/s Tx-Powerff
Retry min limit:7 RTS thrff Fragment thrff
Encryption keyff
Power Managementff
Link Quality=5/5 Signal level=0 dBm Noise level=0 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
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Mar 6, 2011
I have Ubuntu-laptop with wireless card wlan0 and wired ethernet card eth0 and windows7-desktop with wired ethernet card.I want my desktop PC to connect to the internet via ubuntu wireless card. Meaning that, I'm connected to a wireless internet network in my ubuntu pc and I want to share this connection to the desktop.
[URL]
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Apr 28, 2011
Just installed ubuntu 11.04 and it all works fine. However, I got a big problem. When I unplug my ethernet cable and turn on my wifi my pc freezes?
All updates are done and there are no drivers. I'm using die eeepc 1001px.
A netbook isn't usefull without a wifi connection
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Apr 24, 2011
I am trying to connect my iphone 3GS to my netbook using Fedora 15, tethered via a USB cable. When I first plug it in, it recognizes it as a digital media player and pops up a dialog asking what I want to do, recognizes it as media with digital photos on it and pops up another dialog asking what I want to do, mounts the documents folder on the iphone and opens an file manager window, and adds an eth1 interface dynamically. The network manager recognizes it as a wired connection and tries to connect to it. This times out and the interface is left off.
This is so close to just working right out of the box. I really commend the Fedora team for this release. I am thinking of submitting this as a bug, but just want to ask here first, is there there something I don't know about the iphone which makes it unable to connect to eth1? Mentioned here was an ad-hoc network connection, is this mandatory for connecting to iphone through the USB cable? Ideally it would just connect to the cellular network and pull an IP, but I'm a newbie with this and am not sure about the level of security that affords me.
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Jun 22, 2010
I decided to try ubuntu on my netbook and it seems to have set up well other than I cannot see any wireless connections. I can't click on connection information. The blue light is on, indicating that my netbook's network card is on.
is there another version that would work better with an hp mini? Otherwise the netbook is rather pointless
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Jan 5, 2011
I've had Ubuntu Netbook as my OS for about six months or so now, and suddenly it won't open anymore. I have a partition so that I can open Windows 7 if I want, but ever since I updated it last night and have restarted it, when I go to open Ubuntu it returns me to the screen to choose which OS to open.
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Jan 30, 2011
Got a boot problem on a sony vaio with ubuntu 10.04. All was working fine, and now, suddenly, it can't boot anymore....
Sometime, I get
Error : hd0,2 Out of disk
Most of the time, I get
udevd[87]: worker [94] unexpectedly returned with status 0x100
udevd[87]: worker [94] failed while handling '/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda2'
udevd[87]: worker [97] unexpectedly returned with status 0x100
udevd[87]: worker [97] failed while handling '/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5'
ALERT! /dev/disk/by_uuid/fc478e75-0c7e-4dec-abf1-a2c4b8fd2b87 does not exist. Dropping to a shell!
Busybox v1.13.3 (Ubuntu 1:1.13.3-1ubuntu11) built-in-shell (ash)
Enter 'help' for a list of built-in commands.
initramfs
It looks like there is no disk in the machine. Yesterday, there was one... So I boot with a liveCD. and have a look with fdisk:
ubuntu@ubuntu:~$ sudo fdisk -lu
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x598c9b19 .....
With disk utility, I can find my swap partition 4Gb, my system partition (Ext4, 20Gb), and 476Gb of freespace.
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Mar 1, 2011
I have Ubuntu 8.10 on one PC and Win7 on another PC. Now I connected both PC's via KVM-Switch and now I can't get an Internet connection with the Ubuntu PC anymore. The modem is working.
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Jul 4, 2010
I installed Ubuntu 10.4 side by side with my Vista. This is on a PC I leave on permanently and use as a sort of Sever, so Security and Network connection are VERY important on this device. I use it for documents and IP PBX (telephone system). I currently use Vista and 3CX, but I plan to roll it over to Unbuntu full time once its up and runnng correctly - I will just need to change the Grub2 conf priority. After install, all was fine and I managed to make many changes to settings, apps and updates, but I have noticed in the past week when going in to make further changes the network has suddenly stopped working! According to Network Manager and the icon on the panel it is connected and I can not see anything obvious that is not correct. I tried doing a PING (192.168.1.1) from Network Manager to the main router, but it failed. I know that there is nothing wrong with the network nor the card or PC it all sits on. It's working now with Vista and my other machines. It must be a config some-where.
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Jul 14, 2011
my touchpad worked out of the Box after insalling Xubunut 11.04 and did so ever since. But since yesterday it doesn't. It worked when i shut down the laptop and didn't when i booted later. How do i fix this? Yes i read the article about thouchpads.
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Mar 5, 2011
All of a sudden without rhyme or reason, My Lucid Lynx install stopped connecting to my network. This was without any intervention from me as I did not modify install or change anything prior to this happening.
What I have gathered so far is that upon initial boot eth0 seems to always be disabled. So I ifconfig eth0 up to bring it back online. All the settings in the network applet seem to be intact for my manual network that has DHCP disabled. Let me re-iterate that these settings worked fine for months then all of a sudden something went belly up. The same machine will connect fine with the same settings from within Win7.
ifconfig command shows both eth0 and the loopback interface but eth0 never manages to secure the 192.168.1.3 address that it should have. ping 192.168.1.1 returns "Network unreachable" so it appears the connection is being cut off at the machine and not the router. I did check to make sure the connection was even recognized and it sees the wired connection going to the router, but nothing else.
/etc/network/interfaces only shows two lines regarding the loopback interface and nothing else; eth0 seems non-existant within this file which I find odd.
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Apr 1, 2011
A couple of days ago my internet connections suddenly became very slow/intermittant.
I thought the problem was at my DSL provider but after more checking the problem seems to be in Ubuntu/Linux somewhere.
Reason: I can dual boot with windows 7 and have no ptoblem at all. Also I tried a Ubuntu laptop on the same router ethernet port and it also works fine. So its not my hardware or my provider, and its not a general Ubuntu problem either.
There are no error messages in any of the /var/log files and ifconfig looks normal.
It seems to be a DNS problem as it's the initial connection to a host which often times out. If I get a connection, I can e.g. stream an radio station fine.
If I try to e.g. traceroute any host it times out (no reply).
Ubuntu 10.10 is totally up to date as of today.
I'm stuck! How can I troubleshoot this to find the cause?
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Jun 16, 2011
I installed Fedora today, and I automatically had internet connection, I never had do configure anything myself. Then, I was playing around with VPN for a good while (trying to set up the VPN connection to my University), and now, I suddenly lost my connection to the internet!
But only Fedora can't connect anymore, the Windows PC has connection as well as my Mac OS X (I dualboot Linux on my MacBook). The Ethernet connection works as well, when I unplug the cable, Fedora gives me a message, but I just don't get into the internet!
Does anyone have an ides what I have to do? I don't know anything about network connections and I'm new to Linux...
I already restarted the Computer, but that didn't work, and Google didn't really held either.
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Jan 22, 2011
I've just installed openSUSE 11.3 for the first time on a Dell E1505 notebook and am having problems connecting to my home wireless network. Using the Network Manager I've been able to find my home network and connect after entering the network password. After a minute or two the wireless network is still shown as active but their is no connection (websites will not load).
I'm completely new to Linux so I have almost no clue what could be causing this. I have tried connecting the notebook hardwired (Ethernet) to the router and get a perfect connection if that information helps any.
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Apr 21, 2011
I've been running Ubuntu 10.10 (Maverick) x64 quite happily on my Dell e6500 for the past few months until today when I woke the computer up from sleep mode and could not use the wireless. The network-manager applet simply has 'Wireless' greyed out. I tried rebooting, thinking it was an issue with the wireless card not re-powering on properly after sleep, but to no avail. how to begin here?
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Apr 11, 2013
I'm running on Debian Testing, and I just distro-upgraded from Squeeze just a month ago. When I did, I had some strange sound and video problems. For the sake of this topic I'm just talking about the sound ones. Back then, my sound would only work as root, otherwise without any visible errors, I would play sound files and no audio would come out. I'm aware that this usually means that my user is not a member of the 'audio' group, but I did and Ihave confirmed it and all of my users are. Then, suddenly my sound inexplicably started working again, so I took it as it was. However two hours ago it disappeared again. The important information here is that nothing I did as a user could have effected it. All I did was let a video file buffer, write a text file to my documents, and send an email.
According to Alsamixer my sound card is HDA Intel & my chip is SigmaTel STAC9200. When I upgraded to Wheezy, the terminal told me that I would need to install proprietary drivers to get my sound (and especially) video working, however every tutorial I've found on how to do this seems to dead-end for my computer on the current testing branch of Debian.
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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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May 26, 2010
Hope this saves some1 an immense amount of time;First type this;
Code:
rfkill list
check if the problem looks like this
[code]....
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Jul 24, 2010
I'm using Ubuntu 10.04. I was happily connected to internet and surfing some forum, when wireless connection suddenly stopped working.
Now I can't find any access point, and I'm pretty sure I didn't do anything to justify this behaviour.
It already happened a month ago, but I had to format my drive, so I didn't really bother to try to solve the problem.
Anyway. I'm posting here the results of the commands I think I can help with a diagnosis; if something else is needed.
I'm using a different computer to post this thread, so I'm manually writing the output.
Code:
sudo iwconfig wlan0
wlan 0 IEEE 802.11bg ESSID: off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
sudo iwlist wlan0 scan
wlan0 No scan results
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Jan 14, 2011
I have been using ubuntu troublefree for some month, but yesterday, suddenly the wireless internet connection stopped working. It happened after i used the turn off wireless network shortcut, now i cant turn it on again (usually this works fine).The situation is now, that when i click on the tray icon showing connection it says, wired network disconnected (it never said this before), then if i click on the wireless shortcut it also says wireless disconnected... But if i click again it doesnt show connections, the disconnected sign just disappears...?
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Apr 18, 2011
I'm running a gateway lapbook w/10.04 LTS and an etheros wirless card. Card has been working fine for almost a year - from cold boot, warm boot, and recovery from standy (shut lid, open, press power button). I was fiddling with setting a static IP for the wirelss card by modifying the interfaces text file. I made some changes, and restored the file to its original contents after some noodling around. Wireless still worked fine after that. Last night I took the laptop out of suspend as usual - lifted lid, pressed power button - but the wireless indicator remained grayed out and I haven't been able to reenable wireless connectivity since. ifconfig shows the wireless card is there, and cabling the e-net port directly to my hub works fine.
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Jul 3, 2011
I updated my system yesterday (Ubuntu 10.10). Few minutes later there was a notification that said something about a program that stop working. Since then I cant connect to the internet anymore. I can see all the wireless networks around me but when I attempt to connect to my home network it keeps asking me for the password. i didn't install anything before or after the updates. I am sure there was something on the updates that screwed my system.
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May 17, 2010
My problem is that my wireless network traffic sometimes just stop.Like when I tries to update my system, update NetBeans or just download using Uget. I have no clue on what's wrong,Here is my system info:
Laptop model:
Code:
Lenovo R500
[code]....
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May 19, 2011
I'm having a problem with my wireless, and after searching the forums for a couple of hours, I suspect it's time to speak up.This morning, wireless was up and working fine on several networks. My laptop froze around noon, and I was forced to do a hard reboot. After restarting, the Network Manager will not connect to any wireless networks, which are visible. Wired connections work fine. I've tried multiple networks, and although I can see them, I cannot connect.
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Feb 6, 2010
I'm not getting a response over on the Ubuntu WIreless Forum (which looks like it's getting slammed with questions), and weigh in on whether or not you believe I have a hardware failure on my hands? As I state in the post, I ran fine from the original installed version, 8.10, through 2 upgrades (to 9.04 and 9.10). Now none of them work (When the problems began I re-installed each of them in turn in order to test).
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Aug 8, 2011
I recently switched from fedora 14 to 15. Today my computer suddenly shut down during an update, as I thought it overheated I decided to clean the cooling system and reapply thermal paste. However, now the system won't boot anymore ("kernel panic - not syncing : VFS: unable to mount root FS on unknown-block").
I would like to either solve this booting problem, or mount the fedora 15 filesystem and recover some files. Whichever is easier.
I have another drive with fedora 14 (antec below) which boots fine:
Code:
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