Ubuntu Networking :: Sketchy Wireless Connection After Clean Install?
Jun 19, 2011
So Ive got a windows laptop which I've tried dualbooting with linux from time to time, and I tried doing a clean install of 11.04 and I didn't need to do any configuration or download any drivers for my wireless to work, it works out of the box.The only problem is the connection will randomly get a weak signal and sometimes will drop for a few seconds, making web browsing or downloading anything quite a pain.What's worse is if you look at my other thread I tried this with a clean install of kubuntu but I couldn't even make the wireless connection work at all in kde.Here's the output of my lscpi:
Code:
01:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57780 Gigabit Ethernet PCIe (rev 01)
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8192SE Wireless LAN Controller (rev 10)
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May 19, 2011
Here is my output of lspci:
Code:
$ lspci
01:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57780 Gigabit Ethernet PCIe (rev 01)
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8192SE Wireless LAN Controller (rev 10)
I connected via ethernet just fine, but wireless is crucial for this laptop, and the additional drivers GUI program says nothing (or at least it finds nothing).
Am a bit stuck on what to do?
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Oct 15, 2010
Yesterday I upgraded to Ubuntu 10.10 by a clean install. My laptop is an acer aspire 5050 with a IEEE 802.11 b/g Wlan wireless card. I am using only Ubuntu in my laptop. Today I noticed that wireless is dead. The indicator is off and I can see that there is not detection of any wireless networks in the "Wireless Networks" menu. In this point I must inform you that I didn't experience any wireless problems with the two previous versions of Ubuntu (9.10 & 10.04). Below you can see the outputs (in italic format) of some commands that I peformed in terminal:
*1st command
sudo ifconfig -a:
eth0 Link encap:Ethernet HWaddr 00:1b:24:6b:03:1d
inet addr:192.168.2.3 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::21b:24ff:fe6b:31d/64 Scope:Link
[code].....
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May 5, 2010
I decided to do a fresh install of 10.04LTS on a Dell Latitude D600 Laptopne wordDisaster I have no wireless or WIRED internet connection. After viewing another post I've provided the output of "sudo lshw -C network" command below (I've blocked out my MAC address on purpose). It appears that the lan card is not even being recognized. The card is enabled in bios (I've checked twice). I don't get it, the wireless worked fine before I did a fresh install of 10.04LTS. I can't use wireless because I have the b43 driver firmware issue that I can't resolve unless I get my wired connection working.
*-network
description: Network controller
product: BCM4309 802.11a/b/g
[code]...
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Jul 20, 2010
I dont know how to install backports! I have tried everything to get my usb adapter to connect but it still dosent recognize my home network! How do I install backports and headers? (ubuntu 10.04 amd 64) [URL]
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Apr 30, 2010
I had put in a broadcom 4318 (airforce) card and it showed up in network tools as wlan6 with multicast disabled, inactive, and etc. the bf cutter tool also showed up in hardware drivers.
However, after trying to get the card functional - it no longer shows up in network tools nor is bf cutter in the hardware section.
I tried installing broadcom's proprietary driver among some other solutions. I'm running karmic 9.10.
How to start with a clean slate and get my wlan6 to appear again, so I can install this proprietary driver or use driverloader?
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Dec 1, 2010
I don't have a wired connection to internet. I have only a wifi connection. Is there any I could download a driver and install or myself in fedora 14??
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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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Oct 11, 2010
I configured cron to clean my /tmp directory, should I also add other locations to clean and especially /var/tmp.
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Jan 24, 2010
Its a case of ".... wireless network connection active but still not internet connection .."I am using WEP - 128 key ... Works when I connect directly using ethernet cable ... but not wireless (pci and wireless router)
ubuadmin@ubucomputer:~$ ifconfig
wlan0 Link encap:Ethernet HWaddr 00:06:25:12:83:3b
inet addr:192.168.1.10 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::206:25ff:fe12:833b/64 Scope:Link[code].....
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Jun 11, 2011
My problem is exactly the same as [URL]
but I am stuck at the last hurdle
here are the output of the command that helped to solve the case in the previous post:
ifconfig wlan0
wlan0 Link encap:Ethernet HWaddr 00:1b:77:d2:59:55
inet6 addr: fe80::21b:77ff:fed2:5955/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
[Code].....
I have also tried sudo dhclient but it hasn't helped and I am still unable to connect to the internet
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Jun 21, 2009
I have installed Fedora 11 recently. I want to share my Internet connection.
I have e LAN connection eth0 which is connected to internet.
I have a Wireless connection wlan0.
I want to share my internet connection with wireless connection.
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Feb 4, 2010
I have two linux laptops. Currently, I'm using both of them at work, side-by-side. Now the problem is, I'm connected to a wireless router, but the wireless only works on one of the laptops. So I'm stuck with one laptop that has no access to the internet. Both machines do, however, have working ethernet nic cards. So, I was wondering if I could use the laptop with the wireless connection to share the internet connection with my other linux machine and access the internet on both of them. Or as an alternative, just use the internet on the machine without wireless and be able to switch back and forth, that would increase my productivity like 30 fold.
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Dec 21, 2010
I am running FC13 on a Compaq Presario 2100 using a Broadcom BCM4306. I was able to get it running thanks to Fedora Unity Project. But It's a very unstable connection. I don't know what settings to adjust or enable or disable. It's not my router, this is the only wireless connection in the house that I have trouble with.
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Jul 26, 2011
I have tried countless things and am at a complete loss. I'm pretty new to Ubuntu and Linux in general, just so everyone knows. Here's my problem: I can run the 10.10 install disc as a Live CD and have perfectly functional internet. However, when I install into a clean ext4 partition, I have zero internet support. I have Googled the heck out of this problem, too.I've tried tinkering with IPv6 settings, I've tried scouring my BIOS for anything relating to "Wake-on-LAN" (It's enabled in Windows 7, by the way, which is what I dual-boot into), and several other network-related ideas I've read online. None have had any effectEDIT: Additional details: ethernet worked like a champ in 10.04, and in 10.10 when I did an upgrade instead of a clean install. I had this same ethernet problem in a clean 11.04 install (which also worked in Live CD form), too, which is why I tried 10.04 to begin with.
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Dec 5, 2010
I just installed F14 on my thinkpad R61 notebook and I am not able to completely browse the web. By that I mean that I can connect and access and browse fedora.org (from firefox) and I can install software and updates but no general browsing. I can successfully ping [URL] in a terminal but I am blocked in a browser.
I tried both hardwired and wireless connections to my router, same issues with both and my desktop machine running F14 works just fine (hard line) on the same router.I also tried disabling the firewall and it does not change anything.
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Mar 19, 2011
I just did a fresh install of 10.04 on my system and everything runs perfect and exremely smooth, however the update manager and firefox are taking forever to load (the progress meter reads something like 2d 17hr 23m), however the internet connection is very fast.the logs are all insanely clean with the fewest errors I've ever seen, so this shouldn't be too terribly difficult to solve. Also I seem to be having a problem with the font on Firefox, every fourth letter or so has a bright streak in it. Anyway, that might be related or not but my main concern right now is getting my download speed up to par?
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Jan 9, 2011
I am running Ubuntu 10.10, and I would like to use my computer to share the internet connection from an ethernet port. For example, I would like to set up my computer as a wireless access point so I can create a network that other computers can connect to for internet.
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Apr 30, 2010
Today installed Ubuntu 10.04. The problem is that I cannot connect to the internet, which was no problem with the previous version (9.10). I use WiFi for my internet connection. My network is shown in Ubuntu. However Ubuntu cannot connect to my network. After some time trying it says : wireless network disconnected
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Aug 19, 2010
I have recently installed Ubuntu V9.04 onto my the old (fatter) PS3 and I am trying to connect to my wireless home connection. But upon click the connection icon on the task bar, Wired network and wireless networks are grayed out from the options and the network connections box does not detect anything, not even my neighbors Wifi!
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Jan 3, 2010
My icon shows that the connection is good using wifi . However, I could not go online. What's wrong ?
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Jan 1, 2010
i just successfully downloaded and installed ubuntu koala (9.10 i think...) and its a great interface. i am just having extreme difficulty trying to set up the wireless connection. when i log back in osx, i am able to access the router and use the internet as i am doing now when i post in the forum. i am just trying to learn how to configure the wireless in ubuntu as well. have someone who has successful been able to connect wirelessly on an imac, or apple laptop in ubuntu.
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Jan 13, 2010
I need to setting up my wireless connection on ubuntu.
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Jan 15, 2010
Everything else works fine on Ubuntu 9.10 except when I try to connect to the internet. I have wireless. It just keeps connecting nonstop and never connects. I don't know what to do. Please help me. What should I do? I'm using Acer Aspire 5534 with Windows 7.
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Jan 25, 2010
I've got my wireless card working fine, the only thing is that I have to enter the following EVERY time I log in:
Code:
sudo iwconfig ra0 essid MYID
What can I do to bypass this step?
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Jan 28, 2010
I installed Ubuntu and I cant get my wireless connection to work. I found that I need ndiswrapper to update my drivers following the sticky post in here. However there is a problem, because I cant successfully run ndiswrapper on my system.
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Feb 3, 2010
My old PC has new life thanks to Ubuntu 9.1. However, a few small problems still remain:
1. D-Link wireless adapter: My wireless connection percentage never seems to get higher than 70%, even though the wireless router is right outside the door. And to top it off, I can see other neighbor's networks and the signal strength is higher! I am running ndiswrapper if that helps, and the connection is WPA/WPA2, speed of 130 Mb/s which is great, but can I improve the signal?
2. If I leave the computer on and come back after a while, the monitor is black, and I can see that the wireless connection is still going, but I can't seem to "wake up" the computer. I have messed with the settings, but have not attempted anything in the terminal. Can someone provide a simple fix? I would like to Suspend or Hibernate, but they don't work (meaning, I can wake up the computer). So I have resorted to simply logging off each time, which works.
3. Watching streaming video using RealPlayer, many times the screen freezes, and I am unable to navigate to anywhere else on the computer. Meaning, the mouse moves, but cannot open, close, change, do anything on the computer. Ctrl-Alt-Dlt doesn't even work to pop up anything. Is there a less abrupt way to Force Quit than holding down the power button on my computer and restarting the whole thing? I am sure that is not too good for the computer.
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Feb 19, 2010
I had no problems using my dell mini with ubuntu wireless UNTIL i did a direct connect into my home network to download some updates. Now the wireless connection option has disappeared and only shows a wired connection in "network". Does anyone know how to get it changed back. Terminal no longer shows an eth1 but lists eth0 as the wired connection on ifconfig.
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Mar 5, 2010
Hi - I am new to Linux and Ubuntu so I have no idea how to fix or problem solve unfortunately I installed Ubuntu 9.10 from scratch recently on this laptop and all was good. I connected to my WIFI network no problem. It's WPA PSK encrypted, DHCP enabled. I just set it up in Network Manager and it was all fine. Then after a few days I installed a printer and some packages and updates via synaptics. The network connection started dropping after 20 mins or so. Only a reboot would restore it - auto connects at first, runs fine till it drops then never will reconnect. I posted on here, someone gave me some lines to put in a config file. I tried that. I didn't seem to help much, problem remained. Yesterday I checked for updates and there were a whole bunch so I just installed them all. Now I cannot connect at all. I have deleted and recreated the connection in Network Manager but it doesn't help. It tries to establish a connection but never achieves it. I am connecting to the internet now on the same laptop booted into Windows, so all the hardware is fine.
Can anyone who knows about ubuntu networking help? Do I need to do a complete reinstall? Seems a bit much, but it worked when I initially installed the OS. I want to like Ubuntu, but something as basic as connecting to the internet is pretty vital so reluctantly having to start using Windows again...
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Mar 11, 2010
I have a new Toshiba Satellite L450, and decided to run Ubuntu, which is new to me. I am running a 64 bit Karmic, and there is no driver that works. So, to make a long story short: a friend helped me get a driver on my Desktop, namely: rtl8192se_linux_2.6.0100.1012.2009_64bit.tar.gz We had it working, but when I let in the first large batch up updates, it kicked the driver out. I found instructions, installed it again. I let in the next updates, and it kicked out again, and this time the instructions don't work. So, I have two sets of questions:
1. Will updates always undo my wireless? Are there certain updates I should avoid if I want the wireless to stay up and running? (I just assumed the thing to do is just get the updates -- though I am guilty of having no idea what they were about.)
2. Did the updates cause one of my instrucitons to no longer work, or need to be modified?
They were as follows:
sudo apt-get install build-essential
cd ~/Desktop
sudo tar -xvzf rtl8192se_linux_2.6.0100.1012.2009_64bit.tar.gz
That 'sudo tar -xvzf...' operation is the one that stops me. Is there something to change in that line? It goes on:
cd rtl8192se_linux_2.6.0100.1012.2009_64bit
[Code]...
this worked the first time I tried it. I posted this earlier under 'hardware', and do not know how to get that post off, so I typed it here once I realized.
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