network connection problems

I have come back to ubuntu from a brief stint with vista. Previously I only used linux for about 6 months and that was a year ago. I installed 8.4 and was able to get my ethernet running on it but not wireless. I then upgraded to 8.10 and now nothing will work. I ran the hardware tester and it said everything is running fine but the icon will not show any wireless networks. I dont remember how to do much of anything on linux so I need some help. I have a lenovo T61 with an Intel 82566MM Gigabit Network card for Ethernet and an Intel Pro/wireless 4965 AGN wireless card.

 

Please enter the following command in a terminal:

Code:

$ ifconfig

That should let us know for sure whether you're having a config or driver problem. If you don't see wlan0 in the output, then you don't have the correct driver loaded.

To manually load the driver, use the followind command:

Code:

$ sudo modprobe iwl4965

You don't have to worry, though. The Intel 4965 is well-supported under linux. It might just need a little proding in your case.

 

wlan0 did come up so I have a config problem then? What should i check/change next? On the network icon it shows the orange triangle with an exclamation mark in it. It doesnt show any of the networks near me at all, but wireless and networking are enabled.

 

ethdown ethx
ethup ethx

 

i dont know what that means? sorry I am pretty new

 

I don't think those commands will help. We're dealing with wlan, not eth.

I'm sorry, but I don't think I can help you any more. There are many ways to set up networking in linux, and I'm not familiar with Ubuntu and NetworkManager. However, there are a lot of Ubuntu pros in this forum, and you could also try Ubuntu Forums.

 

Your main source of information on 8.10 on a T61 should/could be the ThinkWiki pages.
Here is a T61/8.10 page.
Like archer7 mentioned, the Ubuntu forums are also very useful.

You mentioned in the first post, you've upgraded from 8.04 to 8.10.
While this usually works well, in your case it seems to have resulted in a botched OS.
Have you considered doing a fresh 8.10 install? It might give faster and better results than ploughing through numerous web sites/pages to find a fix.
Cheers.

 

thank you all for your help. The T61 website will definately help. I downloaded a new 8.10 iso for dvd and it now works!