TTY1 issues and ehternet issues with up to date ubuntu 10

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http://askubuntu.com – Having a lot of issues with internet on all my computers including Ubuntu. Here is the deal in Ubuntu. I have been using the internet (dsl with cable directly from modem to computer.) but when I go into connection settings and look at the wired connection it says that the last time I was connected to it was NEVER. Still, I was able to use it so whatever right? Well I started getting a black screen with TTY1 shown by my username before booting up to Ubuntu. After about 3 times of this, the internet stopped working all together and even the wireless wouldn't go for a bit. I'm worried because (HowTos)