Network issues with Intrepid

[Pastor JW]

On Friday 26 September 2008 8:42:31 am Christian wrote:
> Hi all,
> I decided to upgrade to Intrepid from hardy. Everything went well, but
> after I rebooted my machine I had no networking support. I tried renewing
> my IP, but it didn't work either. Any tip would be apreciated, many thanks!

Did you read http://www.ubuntu.com/testing/intrepid/alpha6 before you decided 
to test the alpha?  Especially the first paragraph?  The one which 
says "WARNING" in large letters?