Ubuntu :: Wirelesss On Gnome All Of A Sudden Turned Off?
Dec 9, 2010
I have had ubuntu for several months now and my wireless has worked just fine, but all of a sudden it just turned off. In the drop down menu in the top right corner for wirless it has a check mark beside "enable networking" but the button "enable wireless" is greyed out and I cant click it. I have checked that the wireless is working and it is (confirmed with another laptop).
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Nov 19, 2010
In my login screen settings, I accidentally swithed from GNOME to the recovery terminal. I can boot to x fine in recovery mode, but I can't change the screen settings from here.
How do I change it back to GNOME?
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Nov 24, 2010
I really have no idea why this happened, but when I logged in GNOME the appearance is different. At first it looked like this:
[URL]
and now it turns into this:
[URL]
Notice how it's more square. System->Preferences->Appearances doesn't seem to help.
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Feb 16, 2010
This is the difference in the output of a port scan using Zenmap on the same system with UFW turned off and then with it turned on. It is obvious that UFW works.
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Feb 2, 2010
The wireless connection works fine. The wireless switch automatically turns itself on every time I start the computer. However, after turning it off, I can't ever turn it on again unless I restart the computer. And because of this, the wireless connection is disabled until the next time I start the computer.I don't think this is a hardware problem because the switch can be turned on and off, although not in the way I expect.
I'm using ubuntu 9.10 on an Acer Aspire 4740G. The command [lspci | grep Network] shows Atheros Communications Inc. AR928X Wireless Network Adapter (PCI-Express) (rev 01). the [rfkill list] command shows (when the switch is on)
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
and, as expected, shows (when the switch is turned off)
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
I just want to be able to turn the switch on or off at any time I want as long as the computer is still on.
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Mar 26, 2010
On my laptop, I have stable installed. The original install was about two years ago, and I've just been keeping up with all of the stable updates. It is now an up to date Lenny. Over the months and years I have added several new icon themes to Gnome. I have noticed over time that several of the icon themes' icons have turned up missing. To see what I'm talking about take a look at the screen shots here: [URL]
Screenshot-2 is a closeup.
As you can see, icon themes Amaranth, Crux and Dropline Etiquette are missing their respective theme icons. The icon themes work, when selected, but the icon theme icon in the "Customize Theme" window never appears. Several of the other icon themes are the same. I have tried uninstalling and reinstalling the icon theme packs, but that doesn't fix it. I also have a desktop system of Debian stable with some of the same icon themes as on the laptop, but it does not have this problem. However, it is a much newer installation.
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Apr 24, 2010
I'm using Ubuntu 9.04 ..
My adsl modem is in bridge mode . I can connect to internet via pppoe . pppoeconf recognise the pppoe in eth0 and setup a connection and i can use it .. Now , the Problem :
How can I setup a pppoe connection using pppoeconf so that it uses wireless ? I set the wireless mode to bridge in modem settings . But , after that , the access point stopped appearing in "aps in range" in network manager and i can't connect to it . pppoeconf also doesn't recognise wlan0 as a valid pppoe link . but dat is normal since i don't think it can check if wlan0 is pppoe without wlan0 being connected to the modem's wireless network .
SO , HOW CAN I CONNECT TO INTERNET WITH MODEM IN BRIDGE MODE AND CONNECTING VIA THE WIRELESS INTERFACE OF THE MODEM ??
sidenote : hey , is pppoe over wireless even possible ? coz the datalink layer of wlan is not ethernet rite ?
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Feb 26, 2010
I had to send my laptop back for repairs, so I have an older Dell 1720 laptop that I threw the Hard Drive into, similar specs, just the wireless card is different. So what i need to do is somehow activate the driver for the Intel 3945 wireless card in this dell laptop.
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Oct 3, 2010
I have the panel (taskbar) positioned on top. I then turned on "auto hide" in the panel properties (Gnome) to maximize the screen.The panel surely disappeared. The problem is that I cannot get it back no matter how much I hoover or click with the mouse - it is gone!...So how do I get it back??? I am rather new to Linux, but I figure that there should be a config file somewhere where I can set "auto hide" to false or something like this.
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Sep 28, 2010
I've recently installed openSUSE 11.3 on my old Dell. Now i can't connect to my wireless network, and i'm not sure why?
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Nov 28, 2010
Just installed Wubi and ubuntu 10.04 LTS onto Win 7 HP laptop.So I have a dual boot. and Ubuntu resides in a shared partition with windows files and folder.I cannot get Ubuntu to see wirelesss hardware at all.However, when I plug the ethernet cable to the laptop,there is network connection, but somewhat slower than under windows 7.I also look "Network Connection" ( icon at top right screen),there is no display of any wireless data under the Wireless tab.
How do I setup Ubuntu to see the wireless device?With Win7, it detects the wireles device automatically, so how can I do that for Ubuntu?.
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Jan 18, 2010
My address bar is all of a sudden missing. Anyone know how I can get it back?
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Mar 4, 2010
My Eclipse just stopped working all of sudden. This happened after I deleted some directories in my workspace, but I doubt that had anything to do with it.
I just get a small empty window when I try to run it. See attached png file.
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Jun 29, 2010
My CPU usage suddenly started oscillating between 5% and 80% causing the computer to lag very badly. This problem came on suddenly--I was using the computer the night before and then the next day I was hit with the lag.Computer info:
IBM Lenovo ThinkpadR61 with Ubuntu 10.04 Lucid Lynx
Intel Duo Core 2GHz Processor T7300
2.5GB RAM (2GB Kingston DDR2 + 512MB DDR2 not sure what brand)
[code]....
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Aug 4, 2010
On one of our Lucid systems, we encounter frequent automatic log-offs - without recognizing any reason: The only common fact appears to be at least one further user being logged in (with graphic desktop).With no advance warning, the active user's screen first goes black, shortly after that, the KDM log-in screen (with the name of the automatically logged-off user) appears. Where the currently active user is lucky, it is not his own name and he can simply switch back to his desktop...Something in fact appears to crash: Programs that were running for the automatically logged-off user are obviously simply killed. (OOo next time starts with rebuilding lost documents, KMail forgets about currently edited eMails.)
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Sep 10, 2010
My computer had been running just fine a couple of days in a row. I had a problem and decided to reboot. But all of a sudden Ubuntu does not boot anymore!
The error shown is:
Target filesystem doesn't have /sbin/init. No init found Try passing init=bootarg
Under it it shows
Busybox v13.3
(initramfs) [etc])
[then a couple of rows mentioning removable disks which is my card reader. And finally just a blinking _ sign.
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Oct 23, 2010
I've been using Duplicity for ages and this morning it suddenly produces the following error:
Code:
I can't figure out what happened. Yesterday I did a successful full backup (as I do each week). This command was to add the usual incremental. I've not changed the scripts, source, destination or GPG keys. I turned up verbosity to see what it was doing, but an obvious error didn't leap out.
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Jul 6, 2011
Greetings. I'm running 8.04 ubuntu. I received a call informing me that all PDF files come up as gobbley gook. I am in my first year, and unfamiliar with ubuntu. Although I accessed the files through the server (Eunice) and they are all labeled as unreadable. When I attempt to open them with document viewer, I get the error message "unable to open. Unknown mime type".
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Jun 5, 2010
I recently did a clean install of ubuntu 10.4 and finally got everything working. All of a sudden my sound stop working and i can seem to tell whats wrong. The strange thing is though when i first turn on the computer i can here the drums at the login screen but after logging in there is no sound anywhere. I checked all the sound preferences and everything looks alright, nothing was muted. I am pretty much stumped..
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Aug 7, 2010
I've noticed a strange pattern with my 10.04 ubuntu x64 install with 2 GB RAM. Suppose I'm using about 1 to 1.5 GB RAM (normal). Over a timespan of several minutes RAM usage will gradually & steadily creep upwards, until for no apparent reason the system will shed ~500MB in a couple seconds, & then this process will repeat itself indefinitely.
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Dec 2, 2010
I have experienced sudden wifi disconnects. My laptop fails to reconnect even after repeated attempts. It is only after a reboot that I am able to connect to the wireless.
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Dec 12, 2010
My brothers computer uses Ubuntu. All of a sudden the internet stopped working. So I did some research online and found a site that looked like it would work because the comments were good. I did what it said by removing the network manager and then i had to re-install it blah blah blah. Long story short his computer is still without internet. I tried to download the network manager on my computer and install it on his computer. I dont think it worked.If anyone could help me find the correct network manager to download for his computer and then help me get internet back onto his computer.
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Jan 17, 2011
I run Ubuntu 10.04 on a HP dv2000 laptop with 2GB RAM. I see a strange problem with my system. When running on battery and the level hits about 43% (+- 1%), the system shuts down suddenly. No warning and no information in logs either. Temperature of both cores are below 50 C. I have tried cleaning the dust withing the laptop chasis but no progress.
I have done quite some research on this and other forums but haven't found anybody else with similar problem.
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May 16, 2011
After coming back from my coffee brake and disabling the screensaver lock with my password, suddenly the theme of the window widgets and upper bar changed before my eyes to ancient GTK-style.
Open programs (unrelated)
firefox
remmina
[code]...
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Dec 7, 2010
I have some boxes and laptops connected to the same lan. While messing around with xorg.conf and doing a couple of restarts, one of the boxes suddenly lost internet access.The other machines can ping each other and access the internet (the boxes through eth0 and the laptops through wlan0). That one box, however, cannot ping the others, nor the router. Both ends of the internet cable are plugged in, and there are the usual continuous green and orange lights on the box end, telling me that everything is fine with the hardware connection.ifconfig gives me:
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask: 255.0.0.0
inet6 addr: ::1/128 Scope:Host
[code]..
I have no idea what happened, since the lights indicate it is not a hardware problem. It must be a problem with that particular machine, since the others are fine. However, I have not changed any of the network config files.
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Mar 16, 2010
For most of today I had my internet connection dropping out on me intermittently. I assumed it was a provider issue, as it has been unreliable in the past. After it dropped out for good, and I could not print through network, I realised it was not a provider issue. All the other computers in the house were connected, including another ubuntu box. Only the MacBook Pro 5,5 was not able to connect. The network manager indicated I was connected to the network, throughout the whole time.
A number of restarts with the kernel I normally use (2.6.31-19) including one in recovery mode, yielded no change, but a restart with the 2.6.31-20 kernel resulted in connectivity. Finally, perhaps by chance, wireless started to work again on the 2.6.31-19 kernel, after I once booted into the Mac OS, and then back into Karmic. How I might go about diagnosing, obviously in hindsight, what happened? I suppose I should look in the log files, but I have no idea where exactly, and what to look for.
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May 31, 2010
I recently setup an ssh tunnel and wrote a script to connect to my Home PC from my laptop no matter where I am.
I have previously tested this on my own network and multiple other networks while I was over at my friends houses, and it worked completely fine.
So just now I decided to use it after about a day or two after not using it and now nothing happens. Normally it prompts me for a password and takes about 5 seconds then I am in.
I'm using openssh, vinagre, and dyndns for the hostname. Here is the script:
Code:
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Jul 17, 2010
While using Ubuntu I have had few problems and it has generally just worked. One problem I have had is that while using my computer on occasion everything will be stopped and there will a message against a black background telling me the graphics card and screen could not be detected I have several options which are something like.
Run Ubuntu in low graphics mode for one session (which brings me to a normal login)
Run Ubuntu from a console (or something like that, it goes to a console)
Troubleshoot the error (I'm new to Ubuntu and never tried it)
Restart X (I never used it)
I think I missed one or two. "Run Ubuntu in low graphics mode for one session" works for me, but it is still a nuisance that I have to login again. It doesn't happen that often, not everyday at least and happens at random. I could have been using it for over an hour so I wonder why it suddenly can't detect the graphics card or monitor.
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Jul 23, 2010
[code]...
this is my AGP card. My problem is while using ubuntu.. i experience sudden black screen and when the black screen appears it appears for forever until i restart the my computer, it happens suddenly and many times and im having this problem in ubuntu only never experienced in windows.. as i kicked of windows and using ubuntu so i am having this problem regularly. I am using Ubuntu 10.04 Lucid. Ram 512. And i am 10 days Old in ubuntu
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Sep 14, 2010
I had Ubuntu 10.04 on my 500GB Samsung drive. Today it suddenly stopped responding, not only X11 but the whole system (Ctrl + alt + f1 didn't worked either) so I had to force restart it. Since then, I can't boot it again - right after memory test and general motherboard splash, the white line cursor goes about 3 lines down of topline and stops there. After about 5 minutes there's still no GRUB menu. Finally I had reinstalled the system (which is not really much pain since my "home" was on other partition than the system, but it didn't helped - still the same. On the other hand, booting USB Live works perfectly fine (I'm using it right now). I have an access to all the partitions, all the data seems to be there, SMART utility says the hdd is healthy ..
Oh, and I tried reinstalling with grub-reinstall before, it said that the reinstallation went fine but didn't helped either
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