1
vote
1answer
28 views

Ubuntu 12.04 connects to some wireless networks but not others

I installed 12.04 on a Lenovo Ideapad with a broadcom driver. It connects to some wifi networks with no problems. Although some others it keeps trying to configure and then disconnects and tries ...
-1
votes
0answers
31 views

Why does my internet disconnect CONSTANTLY [closed]

I recently installed Ubuntu 12.04. All of a sudden my internet just disconnects and reconnects ALL THE TIME I have no clue how to fix this. Is there a way? Also, before I installed Ubuntu on my ...
0
votes
0answers
65 views

Broadcom Wireless BCM43277 WiFi Unavailable

Yesterday I took the decision to go from Win8 to Ubuntu since I was fed up by Win8 not working with my WLAN driver properly and giving me 300KB/s was not how I wanted it. Grabbed a DVD and did a fresh ...
1
vote
0answers
35 views

Ubuntu 12.04 won't connect to Internet

I'm a total Linux newbie who just installed Ubuntu 12.04. I assumed it would connect to the Internet automatically, just like my Windows 7 does. (I don't have a wireless modem - just a regular ...
0
votes
0answers
75 views

PPTP VPN connection!

Because of a firewall I have to use a PPTP VPN for encryption. When I connect to the PPTP VPN , I expected all my network connection to be sent via VPN. But in fact when I connect to my vpn, I can't ...
0
votes
1answer
163 views

Why won't Ubuntu use my ethernet cable?

I have Ubuntu 12.04 LTS and for some reason, Ubuntu will not use an Ethernet cord. It will recognize it and say that I have a connection, but it won't access the internet through it. I plan to use ...
2
votes
0answers
73 views

Wireless intermittently failing on 12.04 and 12.10

I seem to have a failing wireless card that happens after a few hours. This card is new and works fine in a windows 7 pc (I installed it to make sure it works). My machine is as follows: sudo lshw ...
1
vote
0answers
92 views

Ubuntu 12.04 LTS and RTL8187L problem with connection?

I have installed Ubuntu 12.04 LTS and my Airlive WL1700USB wireless card connects ok to access points, but there are big variations in speed. Sometimes it is 200Kb/s then again only 10b/s and so on. ...
2
votes
2answers
89 views

cannot establish TCP connection with VPS

Vince Stewart I have a VPS on Ubuntu 12 and a home computer on Ubuntu 12. I have a Java application on the VPS which opens a tcp socket listening on port 4000 and also an Http listener. My ssh service ...
0
votes
0answers
105 views

Accidently deleted wireless connection from edit connection, not able to connect to the wifi

I am using ubuntu 12.04, I accidently deleted my wireless network connection from edit connections option, now my wifi network is not appearing in the list of available networks and also when i am ...
0
votes
0answers
1k views

wireless problem ubuntu 12.04

I am on an hp dv6 7011 tx that has the broadcom bcm 4313 chipset. The bcmwl-kernel-source driver is installed by default and it does not work. The enable wireless option in the network applet is ...
1
vote
0answers
191 views

Onda communication TM201 problem with USB modem

After having done a very long research, about this type of usb-modem, I'm here asking for your help. In my PC I have installed lubuntu (the version obtained from Ubuntu 12.04). In order to connect the ...
0
votes
1answer
169 views

Why won't my Internet stay connected?

I recently updated to Ubuntu 12.04, from Ubuntu 10.04, and my Internet, USB760 Novetel Verizon-Wireless Mobile Broadband, will connect after a minute of me starting the computer up. But after a while ...
0
votes
0answers
25 views

Error when deleting a Windows folder, Connection Timed Out

I am a network administrator, I am logged in with an account of AD with Ubuntu and when I go to a windows computer and want to erase a folder, an error appears: Error while deleting. There was an ...
1
vote
1answer
655 views

Ubuntu 12.04 Wireless won't connect with gnome network manager or wicd

I have an HP Pavilion Slimline s3100n and I cannot for the life of me get the wifi to connect and stay connected in any circumstances with network manager or wicd... I'm pulling my freaking hair out ...
1
vote
0answers
230 views

Can't connect VPN/add new VPN connection on 12.04 when using NX

I remote control my Ubuntu box using NX. I am trying to create a new VPN connection. I click on Configure VPN → Add → OpenVPN → Create then I get a "Editing VPN connection 1" window but ...
1
vote
0answers
2k views

[SOLVED]Lenovo IdeaPad z570 wireless adapter isn't working properly in Ubuntu 12.04

So, the anamnesis: Machine: Lenovo IdeaPad z570 WiFi-adapter: Intel Centrino Wireless-N 1000 OS: Ubuntu 12.04 $ uname -a $ Linux username-Ideapad-Z570 3.2.0-32-generic #51-Ubuntu SMP Wed Sep 26 ...
1
vote
1answer
596 views

Why can't I connect to the internet at all with Ubuntu 12.04 LTS or 12.10?

So one day I was using my server and decided since I had a page of updates that had been piling up. That was my first problem... I had heard never to update things on Ubuntu but I disregarded that. ...
0
votes
1answer
1k views

ZTE USB Modem AC2726, connection not possible in Ubuntu 12.04.1 LTS

It's a long post but nearly covers all my experiments and changes I did to my NM. Hope the information is complete and if there are still question, more information can be provided. I've a ZTE AC2726 ...
0
votes
0answers
158 views

Synergy stopped working after host reboot

I have sucesfully installed and launched synergy application. However, after host reboot it doesn't work anymore. Re-installation didn't help either. No errors, no warnings. Simply doesn't work. ...
0
votes
0answers
151 views

Permanent connection on the modem Huawei E1550

I'm new in Ubuntu and I have some problems. I have a modem Huawei e1550, and it works, but after a few minutes after the successful connection it disabled and need to remove it and connect again. What ...
0
votes
0answers
313 views

Wired Connection not always working on 12.04 x64

I recently started having troubles with my Ubuntu 12.04 machine's wired connection. It will go for periods where it is working completely fine then it will stop working while other machines connected ...
0
votes
0answers
193 views

My wireless connection isn't working well [closed]

So this is my problem, I intalled ubuntu 12.04 with the wubi.exe and everything works fine, but my internet connection. When I try to install a program or use firefox, it goes with 24kb/s with a ...
1
vote
2answers
631 views

Why does the network icon disappear on every reboot?

I am using Ubuntu 12.04. After spending an hour or two working out how to find the Network icon, I find that when I reboot the machine, I have to go through the whole procedure again. The network ...
2
votes
0answers
181 views

Wireless internet is connected to an open network but has no internet

I just installed Ubuntu on my laptop yesterday and it connected to the wireless fine. Then I took it to school, put it on their wired connection, downloaded some stuff, and now the wireless doesn't ...
0
votes
0answers
183 views

No wireless after updating packages in 12.04

I use Ubuntu 12.04. Yesterday system asked me about installing updates. I clicked install update. After that, I don't have option to connect any connection cause i don't have an option wireless ...
3
votes
3answers
120 views

How to determine which WiFi technology is currently used in connection?

I would like to check which 'technology' (a/b/g/n) is currently used by my WiFi card for the connection and to check which standards it can use. How can I check that ? EDIT Alright, I have tried ...
1
vote
1answer
302 views

No internet connection on 12.04

I recently installed ubuntu 12.04 on my old dell inspiron 1720 laptop. Everything works fine, except that it simply cannot connect to the internet. It appears that even when I plug in the ethernet ...
0
votes
0answers
45 views

Ubuntu 12.04 fails to fetch updates! [duplicate]

Possible Duplicate: How can I work around “something wicked happened resolving” mirror errors? It gives me this error every time I try to update or install a program. Installed ...
0
votes
2answers
591 views

Wired connection problem on 12.04 LTS

I've been surfing through google for an answer on this computer with windows, but I can't find any solid answer. I just installed Ubuntu 12.04 on my Asus EEEPC netbook which had windows 7 starter. For ...
0
votes
2answers
347 views

Problem with wired internet connecting on MTNL Triband

I am a Ubuntu user from Mumbai, India and subscribe to MTNL's Triband broadband service. I have a dual boot system with Windows 7 and Ubuntu 12.04 installed. I am getting good internet connectivity ...
0
votes
2answers
4k views

Can't connect to windows 7 ad-hoc network

Good day! I have installed ubuntu 12.04 on my laptop and I need to have network connection on it. Have a desktop PC, where I've created ad-hoc wi-fi network(Windows 7) and can't connect to it. So, ...
0
votes
0answers
60 views

Another Wireless Problem

Since Ive had Ubuntu 12.04, Ive had to use the terminal command to make my wireless work (sudo apt-get install linux-firmware-nonfree, etc). Now I enter the code, and the wireless comes on. However it ...
4
votes
4answers
3k views

'Activation of wireless network connection failed' error with a BSNL BroadBand modem# DNA-A211-I

I'm getting the message 'Network Connection Failed' frequently when I connect to wifi using 12.04. I was using the same connection without any problems, in Ubuntu 10.04 and Windows Vista. What might ...
0
votes
0answers
163 views

Cannot connect to WLAN with increased frequency

I have increased my frequency from ~2.4 GHz to 5 GHz and the channels from ~5 to 128. However my notebook (mobile phone and tablet do work) can no longer connect to my router! I am using a Broadcom ...
2
votes
1answer
3k views

Wireless LAN not working on Lenovo Ideapad S205

I can't get the Wireless connection on my Ideapad S205 to work. I'm using Ubuntu 12.04. The network manager indicates that Wireless was disabled by hardware switch, which isn't true. I checked out ...
1
vote
2answers
700 views

after upgrading to 12.04 capitel EVDO modem is not working

I have a BSNL EVDO modem which was working fine on ubuntu 10.10, 11.04 and 11.10. Yesterday after upgrading to 12.04 via update manager, it is not working and not even detected on the network manager. ...