Ubuntu Networking :: Can No Longer Connect To Network

May 16, 2010

I can no longer connect to my network.Every ip on the 192.168.1.X range is for some reason pointing back to localhost.The machine is dual boot, I have no such issues with windows, it's just my ubuntu (lucid).

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Networking :: No Longer To Connect To Wireless Network.

Jun 17, 2011

I have Dell DV6 Pavilion 2115 eg laptop and i installed Ubuntu 11.4 and internet and wireless worked, until i reboted my system it has disapear. I cant no longer to connect to a wireless network. It dont shows me any wireless network.My wireless card is Atheros AR 9285 802.11b/g/n Wifi Adapter.

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Ubuntu Networking :: Wireless Card - No Longer To Connect To A Wireless Network

Jun 17, 2011

The problem with my wireless network. I have Dell DV6 Pavilion 2115 eg laptop and i installed Ubuntu 11.4 and internet and wireless worked, until i reboted my system it has disapear. I cant no longer to connect to a wireless network. It dont shows me any wireless network. My wireless card is Atheros AR 9285 802.11b/g/n Wifi Adapter

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Ubuntu :: 10.10 - No Longer Connect To Wireless Network

Oct 8, 2010

I am experiencing a bunch of problems on my Ubuntu 10.10. I will start off saying that I am a new user to the Ubuntu and Linux. I've been a user for 5 days. Anyways, I started off with Ubuntu 10.4. When using that, I could instantly connect to my wireless router and my school's wireless network. But after I upgraded to 10.10, I could no longer connect to a wireless network. Second problem is my webcam. The video works, but it won't recognise my microphone.

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OpenSUSE Network :: Longer Connect To The Internet?

Jan 21, 2011

I have an Intel Mac that I recently added openSUSE 11.3 to to have a dual-boot system. This has been working fine for me for the last 5-6 months. Then on 1/18/2011 I shutdown my system and totally disconnected everything and moved it all out of my office, so new carpeting could be installed. After it was installed, I reconnected everything and confirmed that everything on my Mac side works just fine. Then I rebooted into Linux and everything worked until I tried to run Firefox to connect to the internet. I'm told every time that it could not connect to the server for whatever I tried to connect to. I AM NEW TO LINUX AND ANY KIND OF NETWORK/INTERNET PROBLEMS, SINCE I'M USED TO MAC WHERE EVERYTHING JUST WORKS. But, I did click on "computer" in the lower left-hand side of the menu bar at the bottom of the screen. This shows on the right-hand side under STATUS "Network: none" and then it states to click this to get it started or connected (I don't remember which) so I click it. This brought up a window asking me for my password and then a new window where it went through a checklist of things and presented me my network settings, which
means nothing to me. However, after this I tried Firefox again with not luck.

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Debian Configuration :: No Longer Connect To The Wireless Network After Squeeze Upgrade

Apr 17, 2011

I upgraded from lenny to squeeze on a notebook and I can no longer connect to the wireless network. The computer is an LG notebook and the network card is ralink rt2860. I am using Gnome and NetworkManager. The wireless key is WEP hex. It was working fine with lenny till before the upgrade. After the upgrade, the network card stopped working. So, I checked

$ lspci|grep Network
08:00.0 Network controller: RaLink RT2860

Then I reinstalled the driver with apt-get install firmware-ralink wireless-tools Then the network manager tray started working again and saw the network, but cannot connect. It was trying to connect but timed out and kept asking for the password. It is the correct password. I tried deleting the old connection and recreated a new one in the nm. But still does not work.

[Code]...

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Ubuntu Networking :: Could No Longer Connect To Internet ?

Mar 8, 2011

Installing, reinstalling different distros, flavors, on dual-boot (XP), for almost year & 1/2.

Never problems with accessing internet. Ubuntu varients, Suse, mostly.

3 weeks ago, downloading new Mint ISO with bit-torrent. Did not complete the download.

Soon after this, abberrant behavior began - could no longer connect to internet. After exploring, appears that network is not enabled. Played with configuring / editing - seems to be correct - but still no more connection.

Several times wiped disk, reinstalled. Same behavior. AND Live CD works - always goes through (using it right now to access this site).

What condition could/would persist through various reinstallations, but not affect Live CD use?

Also in the network - Linksys router, vonnage phone. But no previous trouble.

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Ubuntu Networking :: Can No Longer Connect To WHS Samba Share

Jun 1, 2011

I'm running 10.10 on a pretty fresh install with a brand new system I built especially for Ubuntu.For some reason, I'm beginning to have trouble with accessing my Samba shares from this computer. I have a Windows Home Server also running on my network and I have to be able to access the files on it.At first Nautilus showed "SERVER" in the folder tree when I clicked on "Network" and everything was working great. A couple of days ago my WHS "SERVER" suddenly no longer showed up in Nautilus and I had to mount the WHS server manually (via "Connect to Server...").

Now, today, even that doesn't work. When I try to mount manually I get the error "Failed to Retrieve Share List from Server". I can now no longer access the WHS from Ubuntu at all.Why has my ability to access the Samba shares on my WHS deteriorated over time to the point where I can't access them at all?? Any ideas?I have other systems on this network (Mac and Windows) and none of the others have any problems at all with the WHS. Re-booting WHS and router has no effect. I've changed nothing in my set-up. Is this update related?

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Ubuntu Networking :: No Longer Connect To External Proxy Server?

Mar 2, 2010

I am running Jaunty 9.0.4. I have go through a proxy to get out to the net. It was working. Sometime yesterday it was unable to resolve the proxy server. Can't even ping it. Other computers can. I even switch cables to no avail. What could block the proxy server? I can't even ping google.com Was it something I installed through add/remove software? Has anyone seen something like this before and even better has a solution or can offer a way to troubleshoot this? I can ping myself and the default gateway server.

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Ubuntu Networking :: Network Card No Longer Detected

Aug 27, 2010

I have a Realtek gigabit onboard ethernet (RTL-8110SC/8169SC)It was working in 9.10.After upgrading to 10.04, the connection dropped to 10MB. Now, lspci -v shows the card, but Ubuntu no longer recognizes eth0!I have no connection on the machine. I've been digging around the forums, but can't seem to find what I need.

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Ubuntu Networking :: Wireless Network No Longer Working On Mobile / What To Do?

Aug 19, 2010

It still works fine if I boot into "good old" Windows. I must say I am SOOO disapointed with the Network Manager in Ubuntu which was great until 10.4 and has been crap ever since. I have had so many problems with my Vodafone USB and had to find an alternative method of getting it to work. Now the last straw is that my wireless LAN card is not getting recognised on startup so I have not connectivity when at home. (USb via Vodafone is no good in my area). I am typing this via an old Windows PC because my Ubuntu just does not work anymore. I have not installed anything new so what has happened - or how can I get it to work again.
I was completely sold on Ubuntu but am now considering reverting to Windows. It would be worth paying for an operating system that actually works, even if I have all the other hassles as well. A year ago Ubuntu was great - it all worked ! Not any more how can all that good work have gone down the pan - I can't understand how anyone could let all these nertwork problems occur - it isn't just me - read the threads - it's widespread.

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Ubuntu Networking :: Network Manager No Longer Seeing Devices After Reboot

Dec 5, 2010

I just loaded 10.10 on an Acer Aspire One D255. When I installed Ubuntu, network manager loaded and I was able to use both the wired and wireless cards. After I used update manager, the kernel was upgraded, and I also added some wireless applications (RutilT WLAN Manager, SWScanner, and WiFi Radar). Upon reboot, the network manager doesn't work, and it cannot find any of the devices.

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Ubuntu Networking :: Network Monitor No Longer Showing Up In Taskbar?

Mar 31, 2011

My network monitor seems to have disappeared from the taskbar.I tried right clicking and "Add Pannel" however I do not see "Network Monitor" in the list.I tried running Code:nm-applet --sm-disableBut this gave me the errorI figure this because it's already running so I tried to killall and try it againThis time I getCode:** Message: applet now removed from the notification area** Message: applet now embedded in the notification area** (nm-apoplet:4498): old state indicates that this was not a disconnect 0I see a 1-2 pixel sliver of something appear briefly in my taskbar and then it disappears, I assume this was the n ntly installed tshark (curses-based version of wireshark)

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Networking :: VPN And Routing - PC No Longer Visible On Local Network

Aug 26, 2010

I am using Network Manager to connect to a VPN server so that I can access some of the computers on the local network there. When I'm connected, I have two problems: All my internet traffic goes through the VPN. My computer is no longer visible on my local network. I waste a lot of time connecting and disconnecting the VPN. Is there any way I can set up a VPN so that I am still on my local network and only requests to 172.x.x.x go through the VPN. I suspect it can be done with iptables, but all the info about iptables goes WAY over my head.

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Ubuntu Networking :: Connect To The Internet Through Wifi, But Cannot Connect To Anything On Network?

Aug 8, 2011

I can connect to the internet through wifi, but I cannot connect to anything on my network. I have a printer and a NAS, so I would really like for this to work again. I have a dell laptop with a Broadcom card.

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Ubuntu Networking :: Network Manager Will Not Auto-connect To New Network After Resume?

Jul 1, 2010

I recently fixed an annoying problem and I thought it would be nice to share my solution here. The problem was that after a cycle of suspend/resume, Network Manager would only auto-connect to the same network as it was previously connected to. So, for example, if I suspended my laptop at home, and then I went to school and resumed it, it would try to connect to the home network, and then just give up. It would not connect to the school network unless I explicitly told it to.irst, I'll describe the fix. If you're having this problem, you can this. Copy the following:

Code:
#!/bin/sh
case "$1" in

[code]....

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Ubuntu Networking :: Sudo Iwlist Scan Works But Cannot Connect To Network Using Network Manager

Jun 14, 2010

I have used ubuntu in the past but had a lot of hardware issues with it and unfortunately moved back to windows (( BUT i have tried Ubuntu again and all seems to work great except wifi My wifi connection is sort of working because when i run SUDO IWLIST SCAN it does pull up all available networks. But in the network manager icon on the panel i left click but i see no networks and can't connect to anything. I WOULD LOVE TO keep Ubuntu and use it permanently but I must get wifi working or else this won't be possible.

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Ubuntu Networking :: Network-manager And Wicd Can See But Not Connect To Network

Jul 10, 2010

I recently put Linux on a Thinkpad T40 I got. The wireless card works out of the box--I can see nearby networks. However, I can't connect to mine. network-manager would try (spin spin spin), fail, ask for the password, and then go back to the beginning and repeat indefinitely. This happened to me on a different computer, and on that one all I had to do was use wicd instead of network-manager. So I installed wicd, but it's not working either--it hangs at "Obtaining IP address".

I've found many, many threads with people who had the same problem, but none of their fixed worked for me.

I also tried to get wifi going manually, using this guide, but that didn't work.

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Networking :: Unable To Connect To Wi-Fi Network With Network Manage

Nov 21, 2008

I'm unable to connect to a particular home wireless network under Fedora 9, although I can connect to it using WinXP on the same machine. My Fedora installation is able to connect to my college's unsecured wireless network, so it's not a driver issue I think.It seems to be an authorisation issue, as I'll describe below, but there's one other thing that's bothering me. The SSID for the network I have problems with is for some reason not listed in Network Manager's drop-down list, nor is it in the output of iwlist wlan0 scan. But I'm pretty sure it's not a "hidden" network - I don't know exactly how those work, but I helped the owner of the wifi network in setting it up, and don't remember doing anything that would make it hidden. As far as I can remember, Windows found the network automatically without having to be told the SSID. What's the best way to confirm whether it's a hidden network or not?

Anyway, I try to connect by selecting connect to other wireless network in Network Manager, and entering the SSID. As far as I can tell from the error messages below, the machine does contact the network and attempt to connect, but I'm not authorising myself properly. That may be a completely wrong diagnosis, but hopefully someone can see from the below info whether it's correct or not.I'm not sure which option to use for "Wireless Security": at the time we set up the network, it gave us a Hex WEP key of 26 characters, which is 104 bits. But none of the options in Network Manager's list match that. Here are the options it has, and the error message I get with each one:None - if I select this, it fails to connect, with no error message.
WEP 128-bit passphrase - if I select this and attempt to use my 26-character WEP key, it brings up a new dialog, saying "Passwords or encryption keys are required to access the wireless network [SSID]." It has a drop-down box labelled "Wireless Security", but this time the only option is "None", and the connect button is disabled, I can only click cancel.
WEP 40/128-bit hex - as above.
WEP 40/128-bit ASCII - The connect button is disabled when I try to use the WEP key, as the string is too long. Despite the fact that it says 40/128-bit, it actually accepts 5 and 13-character strings (40 or 104-bit). Since I've got a 104-bit hex key, I tried converting it to ASCII, but it consists of mostly unprintable characters, so I'm not sure there's any way to actually enter it into the textfield. I might have done something wrong here, so I've put my code below to see if anyone can point out a mistake.
LEAP - requires a username, not applicable here I think. Windows doesn't need one, and we don't have one from when we set the network up.Dynamic WEP (802.1x) - requires username, private key and various other things, all N/A WPA & WPA2 Personal - Brings up a dialog with the same text as for "128-bit passphrase", but this time "WPA & WPA2 Personal" is the only option in the drop-down list, instead of "None". It asks for a password, so I just enter the hex key again - now it asks for the password for the Gnome Default Keyring, which I don't think I've ever set up. Don't know if I can go any further with that, but my understanding is that since we were given a WEP key when we set up the network, WPA will be N/A.WPA & WPA2 Enterprise - as Dynamic WEP. N/A.Hopefully that's enough info that someone can help diagnose the problem. Some of the behaviour of Network Manager described above doesn't make sense to me, and I'm wondering if it's buggy.

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Ubuntu Networking :: Cable Modem Networking - Can't Connect To Each Other On The Home Network

Feb 14, 2010

I just got connected to Charter Cable Internet service a few days ago and I'm having a weird problem with my home network. Prior to this my network worked fine. On my network I have a desktop running Ubuntu 9.10/64 and Virtualbox with WinXP installed, an HTPC with Ubuntu 9.10/32 installed and a laptop dual booted with Ubuntu 9.10/32 and WinXP. The desktop and HTPC are hard wired to a wireless router and the laptop is wireless. The cable modem is hard wired to the router. I have samba installed and UFW is disabled. The problem is: with the cable modem turned off or on standby, all machines connect to each other and can transfer files, etc just fine but when I activate the cable modem all of the machines can connect to the Internet but the machines running Ubuntu can't connect to each other on the home network. If I boot the laptop into Windows, it can connect to the Linux machines just fine but if I boot it into Linux, it won't connect to the Linux machines but it can connect to the Internet and as far as the desktop, Ubuntu won't connect to the network but Windows running in the Virtualbox with bridged networking can connect to all of the machines.

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Ubuntu Networking :: Cannot Connect To WPA Network?

Jan 19, 2010

I cannot connect to a WPA-PSK network that 2 friends on Windows computers can. Please help me since I only make a little money online and need the net to earn money for food, and I don't use Windows Here's what I do:

Code:
airodump:
00:12:CF:6C:57:73 -66 99 286 7 2 54e. WPA TKIP PSK suat1

[code]....

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Ubuntu Networking :: DWA-130 Won't Connect To Network?

Mar 20, 2010

I managed to install the driver for a Dlink DWA-130 (is a ver. E) and it appears that the computer recognises it. It also sees nearby access points. But, when I try to connect to my home network it asks for the wpa password over and over again after attempting to establish a connection. I'm using 9.10 and installed the driver by using ndiswrapper

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Ubuntu Networking :: Can't Connect To Network

Apr 22, 2010

I just installed Ubuntu 9.10 today. I am TOTALLY new to the Ubuntu world, and the first thing that happened was my the OS not picking up my wireless network. I am running a compaq presario c306us.

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Ubuntu Networking :: Can't Seem To Connect To The Network?

Apr 28, 2010

I recently picked up a belkin f5d7050b.; I know that It is working as the network icon in the applications bar at the top shows my network. for whatever reason I can't seem to connect to the network however. every time i click on it, it says network disconnected.

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Ubuntu Networking :: Can't Connect To Ad-Hoc Network

Oct 7, 2010

I have managed to create an Ad-hoc network on my Ubuntu box as my university doesn't have wi-fi and I need my Ipod touch & wireless printer to be connected most of the time.

Now I managed to get it all setup working perfectly of which was of a relief yesterday - However today I faced a problem that is still baffling me.

I booted up Ubuntu today and managed to connect to the web via eth0 but my wireless seem to take ages to connect. Eventually it popped up with the authentication prompt where I inputted the password. (several times, it kept coming up ) However I had no success connecting then. I tried clicking on the box 'Available to all users' and the next time it tried to connect it just took an age supposedly connecting and eventually failed saying the wireless disconnected. What is strange is that my Ipod touch can connect with the same password being used almost immediately yet ubuntu cannot

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Ubuntu Networking :: IBM R51 Cannot Connect To Network?

Nov 15, 2010

I have an IBM R51 laptop which I would like to run on ubuntu (as I'm currently running Maverick on my Desktop and like it very much)I have run the liveCD and everything runs OK except for the wireless network, which although it detects my wireless network, will not let me connect. I have edited the wireless connections with my SSID, (WPA) password, etc, but when I try to connect it will not connect.I have also tried this on an unsecured wireless network with the same result.Running lshw -c network shows the following information:

*-network:0
description: Wireless interface
product: PRO/Wireless LAN 2100 3B Mini PCI Adapter

[code]....

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Ubuntu Networking :: Seeing Network But Can't Connect?

Dec 9, 2010

Before I explain my problem:This is my first post so I do apologize if this post is in the wrong category.Also I would like to apologize for my bad English because my native language is Dutch. I know there are allot of the same topics. but I can't find a right solution for my problemMy problem:After using Ubuntu 10.04 for a while I decided to upgrade to Ubuntu 10.10. After the upgrade and restart the problems started.

I wasn't able to connect to my WPA secured network. This was because there was no network in the list to connect to. I installed ndiswrapper, and installed a Windows driver. Blacklisted the old one and yes. This worked. Then the next morning exactly the same problem. I tried to repeat the same process. To bad. This time it didn't worked. I removed the old driver from the blacklist. and tried to update. No luck at all.I searched the forums. I figured to get a list with networks. but when I click mine and enter the pass-phrase it says it's connecting but keeps asking for the pass-phrase, then eventually disconnect.lsmod

Code:
michael@michael-laptop:~$ lsmod
Module Size Used by

[code]....

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Ubuntu Networking :: Can See WPA Network But Cant Connect

Mar 24, 2011

I have 2 systems running ubuntu - 1 Karmic and one Lucid - that I am having problems connecting to my wireless network with. On both systems I am trying to use the same USB wireless dongle - a Linksys Wireless G 2.4Ghz 802.11g. On both systems it picks up my network (amongst others) but will not connect. I try to connect, enter the password/key and it processes for a little while an then just comes up with "You are now disconnected...".

I have a BT Homehub (gen 2 I think) which is set up to use WPA/WPA2 (from memonry). I did try downgrading it to WEP and got connected (only tested on one machine) but dont much like using a less secure system.

So I fall upon the mercy of those who are better than me to try and guide me through this. I have looked into it on the forum but couldnt really get my head around the problem.

Give me some info on where to start and how to diagnose the issue?

Just in case anyone wonders - we have a laptop running karmic (im posting this on it now) that has no issues connecting so the network is accessible. I assume the problem I have lies with the linksys adapter and the software using it.

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Ubuntu Networking :: Cannot Connect To A Network Using DWA-140?

Apr 30, 2011

Linux-user, but this has got me scratching my head. I followed this on how to install and configure the DWA-140 to work with Ubuntu 11.04, and "iwlist scan" outputs all of the networks. When i try to connect to my network however, the icon up in the right corner with the signal bars just keeps on going until it prompts for a password to join the network. I enter the password and it goes on for some time, and then it prompts me for the password again.

I'm using a D-Link DIR-655 with the "Only N" mode active. It works fine on other computers (Windows, sigh) but not on my Ubuntu one.

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Ubuntu Networking :: How To Connect To Network

Jun 21, 2011

I install 11.04 in my laptop, and now i wana test the 11.04 in my office network.We have a server, that shared the database off our programs in a SAMBA drive. All the others workstations have windows instal and use that databses to work in the programs we have.What i'm traying to do is conect my 11.04 to that network, share files with the others PC, and work in the programs i need like in a win worksation tru wine/crossover. My main problem is that i don't know how to conect to the network and see the other workstations.

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