Ubuntu :: Network Connection - Lost My Wireless Signal Icon At The Top Of The Screen
Jul 4, 2010
I just installed ubuntu 10.04 on my laptop. everything was working fine until i installed firestarter. i didnt like it and uninstalled it. when i did that i lost my wireless signal icon at the top of the screen, firefox starts up in offline mode, and limewire says that network connection is lost. i just want it back the way it was before installing firestarter. please help, i dont want to reinstall ubuntu if i dont have to.
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Apr 23, 2010
Last night I went to Synaptics (in 10.4) and typed in bluetooth and deleted 3 packages to get rid of bluetooth (which my laptop doesn't have).
Unfortunately, I lost my wireless with it, and the network connections option in Preferences.
what the 3 packages are so I can reinstall them?
Or an easy to way to reset an installation to repair this problem?
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Jan 1, 2011
The connection/network icon that showed next to the clock is gone. i told it to "move", but instead it removed. grrrrr. now when i go to add, i dont see it. same with email.
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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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Apr 3, 2010
For some reason my laptop cannot keep a connection with any wireless signal. I have tried several networks and resetting the router and it just doesnt work. Im not sure why...i have selected to connect to a certain network and it either takes forever to finally connect or doesnt connect at all. also when it does connect it only last a few minutes, meanwhile using win7 i have no issues with the connection.
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Aug 10, 2010
I somehow accidently deleted the 'Network Icon' from the panel of Ubuntu 10.04. Now Iam unable to find a way to recover that back!?'Add to Panel' do not shows up Network icon & neither the 'Volume Button'. walk me through the method to get both back within the panel.
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Apr 4, 2009
I used to be able to get onto internet with wireless connection on my HP. Now the wireless connection seems fair but I can not connect to internet.
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Jul 13, 2010
I've accidentally deleted the network manager icon from my panel. It's still working - I'm getting a network connection - but I'd like the icon back.
I've tried re-starting gnome - the recommended soluton - but not joy.
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Jan 10, 2011
In my top bar (where i also have the, bluetooth, sound time and date and so on icons) i have lost my icon to manage my network. Wired, wireless and VPN. How do i get it back?
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Sep 17, 2010
I installed flash player for my daughter and lost all my icons. I did " sudo gnome - panel restart and got them back , All but the wireless icon and I do not have a clue how to get it back. I also need to know how to get my pc to see the ubuntu os on the same network and how to view its traffic as part to police what my daughter is doing.
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Feb 15, 2011
I accidentally did something so that the wireless/radar icon on the top strip disappeared. How do i bring it back? I have lucid lynx.
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Jan 19, 2010
I have suddenly lost the desktop icon (of a hard drive) for a mounted network share. It is funny because, I have other network mounts which share the same server, and there icons are appearing, and this particular share just does not show up with the icon, even if I try mounting it different locations in the filesystem. Any ideas. I really like those cute icons on my desktop.
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Jan 1, 2011
I was using irssi in screen but lost connection. After I ssh'd back in to the server, I can no longer attach to that screen. screen -ls shows that the screen is already attached. I tried screen -D to force detach it, and it said detach but screen -ls still says it's attached. I tried screen -x and it just hangs there.
[sub@server ~]$ screen -ls
There are screens on:
4033.poe (Detached)
7728.irssi (Attached)
2 Sockets in /var/run/screen/S-sub.What can I do now?
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Jun 8, 2011
I'm running ubuntu 10.10, in a Gateway M-6750. I can't get my wireless to work properly.
After I lose my wireless signal, I can't connect to a network again. I have to restart my computer or, remove the ndiswrapper module and insert it again so that I can connect to the network again.
I do this with:
Also, there are sometimes when the computer freezes up when trying to search for a signal.
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Feb 25, 2011
I am running Ubuntu 10.10 Netbook Remix on a Toshiba Netbook NB300. After performing an upgrade I find myself unable to connect to my wirless network and have lost the wifi icon in the task bar. Ethernet connectivity is however working.
iwconfig shows:
wlan0 IEEE 802.11bgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
ifconfig shows
[Code]...
I need to take to bring back wireless connectivity to my netbook and restore the wifi icon to the task bar.
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Dec 4, 2010
I somehow lost wicd. the icon is still at the bottom of the screen, but show "no networks present.' When I run iwfonfig as root it shows eth0 and lo, but no wlan0. When i run iwconfig, it says eth0 and lo with "no wireless extensions."
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May 16, 2010
3 computers in the house run various windows based programs and everything is fine with them connecting to the internet as far as putting in the security password to log in and get online.My old back up computer that I use in the basement that has Ubuntu 9.10 was working fine with the secured network situation up until today.I booted up the computer this morning and it automatically connected as it typically does and I was reading some email and then the computer froze, which on rare occasions it does.
Upon reboot I got a window that asked for the password for the Network Manager Applet which I supplied and then it asked for the password for the secured internet connection which I supplied.It would not connect. After numerous tries of disabling the wireless and enabling the wireless and entering the Network Manager Applet password and the secured internet password I still get no connection.
I notice that when it is trying to connect, the window comes up on the screen that shows that there is reception from the modem, but there is also a little "lock" icon like I'm locked out of the connection.I finally found a way to get rid of the Network Manager Applet password problem but that still didn't alleviate the connection problem.
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Nov 30, 2009
Three months ago my daughter went off to college with a new computer. I zapped her old system and successfully installed Ubuntu 9.04 from a CD. Everything worked fine including all the peripherals and the wireless internet connection. I was able to download and update applications without a hitch. Great system and so much cleaner and quicker than Win XP on the old machine. Then the system was shut down and lay idle for three months.When I fired it up a couple of days ago, all seemed normal except I could no longer access the internet even though the wireless network icon showed four or five bars. I first discovered the problem when I tried to update though Update Manager and noticed that 22 identified files could not be fetched. Neither Firefox, Skype nor Goodgle Earth can connect.
The router is a Linksys WRT54G router that connects to the computer through a Linksys WUSB54G USB network adapter. The router serves three other non-Linux computers without a problem, including one using the same model network adapter.I don't have much experience with Ubuntu, but this is some of the information I have been able to generate.
I tried a few of the recommendations found in other sites, but nothing seems to do the job. I am perplexed because everything was great until I shut down the system for three months and then started it up again. I appreciate any assistance and would be happy to provide additional information as requested.
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Aug 5, 2010
I used to be able to connect to the net using my laptop {Ubuntu 9.10 on Compaq nx7400.}by means of wi-fi . I do not know what I have done but I lost the facility to connect to the net.I noticed the Network Manager disappeared from the notification area. I manged to put it back. It detects the signal from the router and after entering my password it displays Connection Established but I still cannot access the net and does not load any web pages. I have the same Ubuntu 9.10 Desk on a memory stick, when I use it on the laptop it works fine.
I enclose a screenshot of iwconfig.I did sudo lshw -C network and it shows DISABLED. How do I enable it ? Are there any other info that I should supply and what and how.
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Feb 25, 2010
I running Ubuntu ver 9.04 I have 2 problems that I think are related. After finally making a network connection I updated Ubuntu, and after a reboot I lost my network connection again.I updated the following file nm-networkmanager-settings.conf and saved it. After another reboot I then lost my network connection icon and it also does not appear under System > Preferences. I tried to then update the same file and can not save it, I get "could not save file".I have tried sudoedit, sudo gedit, gksudo gedit and some others that I cna not remember now and all give me the same result
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May 18, 2010
I'm a complete beginner who just installed 10.04. I'm trying to follow guides to setup my internet connection, but I am completely unable to locate the Network Manager Icon. I have the notification area already, but there is no icon. I tried the instructions here
After inputting
nm-applet --sm-disable
It gave me:
** (nm-applet:1722): WARNING **: <WARN> constructor(): Couldn't initialize the D-Bus manager.
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Sep 15, 2010
the laptop disconnected from wifi and the network connection icon on the panel dissapeared... If i restart the laptop will automatically join the wifi nwtwork for a couple mintues and then will go offline.
Hiw can i get the network icon back at least to see it that fixes the problem....
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Jun 6, 2010
I installed a clean installation of ubuntu 10.04 inside Windows 7 and wireless worked normally in the beginning that I downloaded and installed all the updates "I selected without updating Grub".On the first reboot after updates, the wireless icon disappeared from the panel and could not connect to the internet although the settings in the Networking tools were correct.
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Dec 18, 2010
I'm running Ubuntu 10.10 netbook edition on a Dell Mini 9 - worked around a few wireless issues on setup and connectivity has been fine, but now I'm suddenly losing wifi when I unplug my AC adapter. It still shows me as connected, but when I try to view web pages in Chromium, it will load pages for a few seconds, and then suddenly cuts out - though it still looks like it's trying to load the page.
It's the same if I boot on battery power - it will keep trying to connect to wifi but won't until I plug in the adapter. I'm assuming this probably has something to do with my power management preferences in battery mode, but I'm still pretty new to Ubuntu, and I'm not sure how to fix this. I've played with the options in power management, but I have a feeling there has to be more. Can anyone help me? This has been really frustrating.
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Jan 3, 2010
I'm relatively new to Linux. My netbook ran updates yesterday for Ubuntu and now I am unable to reconnect to wireless network connection. I am using WPA2 encrypted security. I am able to connect via wired LAN. Also, when I went to connect using USB mobile connection, I get an error "unable to mount location". I get the same error if I try to connect my external CD drive. I am using Ubuntu 8.04 with Gnome desktop (2.22.3) on a Dell Mini 9.My wireless device is using Broadcom STA Wireless driver for an 802.11 wireless card.
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Jan 24, 2011
I lost the pictures and music icons on the places menu. When I browse the folders from nautilus I see the icons, but when I click on the places menu I see the regular folder icon and not the special pictures icon or music icon
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May 20, 2011
I played with the Network Settings section in YaST, because I wanted to use the wireless network card I installed into the PCI port. OpenSUSE recognised the type of card and its MAC number, and told me that I needed to install a firmware (fwcutter something). I tried some changes on the cable internet connection (like activate on plugged) while I tried to change the wireless connection (like activate on boot).
What I have now is that my cable internet connection is not working at all (it was working just 3 days ago), my wireless internet connection is, as always, not working either. I managed to work the wireless card on Windows XP by finding its drivers.
Since the problem is with my office computer, I cannot answer the exact brand names of the ethernet card and wireless card. Shall I reinstall OpenSUSE 11.3 from the DVD I have?
Second problem: OpenSUSE does not recognise my external harddisk, it gives an error about mounting the device.
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Jan 16, 2010
I have an odd problem in that my wireless connection is okay until I close the laptop. When I open it back up, I'm unable to reconnect. This problem first occurred after upgrading to 9.10. I can reconnect after restarting. I tried several things before breaking down and reinstalling 9.04. After installing 9.04, everything works great. Any suggestions on what is going on before I try upgrading to 9.10 again? I have a Dell D600.
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Feb 12, 2011
I have had long term access to a networked HP Photosmart printer but now I get the following message:
Unable to open device hp:/net/Photosmart_C5100_series?ip=192.168.0.161.
when trying to access it.The ubuntu desktop is wired to the router as is the printer and another iMac wirelessly can still print to the HP. HPLIP status shows the icon for the printer but with a red x indicating no connection to it.The only recent network change was the removal of another router from our network. (service is DSL via a combo modem/router from service provider which previously was connected to a Dlink router which has now been removed from the chain b/c was redundant to the modem/router)
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Apr 19, 2010
When there is a power failure at my university for about 30 minute, my computer stays up because of a UPS, but the switch it is connected to via ethernet is reset. After this, my machine loses network connectivity until I manually select the network using nm-applet.
In System -> Preferences -> Network Connections, the network has the "Connect automatically" box checked.
However, in /etc/NetworkManager/nm-system-settings.conf, there is a line that says:
Code:
no-auto-default=00:30:48:b0:11:07,
and that is the MAC address of the ethernet card.
I'm running Ubuntu jaunty.
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