Ubuntu Networking :: New Build - No Internet Connection

Mar 23, 2011

After finishing the build I downloaded installed the latest ubuntu desktop, 64bit. It is installed, and up and running, but I have no internet connection. I don't know what to do from here. Here's some info I've seen requested in response to similar questions:

-Motherboard is Gigabyte GA-X58A-UD3R

-Internet is a wired connection to the motherboard.

-ifconfig:

eth0 Link encap:Ethernet HWaddr 1c:6f:65:9f:3c:dc
inet6 addr: fe80::1e6f:65ff:fe9f:3cdc/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:12967 errors:0 dropped:0 overruns:0 frame:0

[code].....

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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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eth0
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TX packets: 0 errors: 0 dropped: 0 overruns: 0 carrier: 0
collisons: 0 txqueulen: 1000
RX bytes: 0 (0.0 B) TX bytes: 0 (0.0 B)
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I just installed Ubuntu 11.04 desktop on my desktop in dual boot with Windows 7.

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The output of some terminal commands are below.

Quote:

Quote:

Quote:

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Quote:

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recently installed Ubuntu 10.10. Everything seems to be working fine on the installation except I have never been able to connect to the internet (I'm on mac connected to the same linksys router at the moment). I've been working on this for several days and have exhausted all the possible causes. Here is my setup.

My setup:

-I have tried running both 10.10 and 10.04 (I have 10.04 installed at the moment)

-I have windows xp on a separate hard drive on the same computer and the internet works fine when I boot in windows

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Finally I thought I solved my problem with the help of Dmizer. My networkcard wasn't functioning correctly due to the hardware switch on my laptop. For more information about this check this thread: [URL]

Now I have a new problem, probably caused by the problem above. I have a connection (so the network manager says) but no internet. I checked the network settings by using the ifconfig command in a terminal. This tells me that I have an address of 10.43.42.2 (or similar) which should be something like this 192.168.x.x.

I had already tried to use a command like "ifconfig release" but this didn't work. I know too much windows like but i had to try something. I also had the connection properties checked and changed to my network settings. After i did this I had still the same address (10.43.42.2 or similar).

Unless someone knows what is going on I'd like to know how to refresh of renew my IP address from the DHCP server.

Some information about my hardware and drivers:

NIC vendor: Atheros Communications Inc.
NIC chipset: AR2413 (i guess, i do not have my laptop with me at the time of writing)
Old driver: ath5k
New driver: ath_pci (installed from madwifi)

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I have no wireless internet on my 11.04. I can access my wired connection but my wireless doesn't show connections and isnt able to connect to any wireless network in the neighbourhood. (I had this probz too in 9.10 and 10.04) But none of the solutions work now. I already tried to blacklist the blacklist at76c50x_usb

Code:
jannes@jannes-DY137A-B14-a540-be:~$ lsusb
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 003: ID 0681:001b Siemens Information and Communication Products WLL013
Bus 003 Device 002: ID 046d:08f0 Logitech, Inc. QuickCam Messenger
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 045e:00cb Microsoft Corp. Basic Optical Mouse v2.0
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

[Code]...

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