Question about Compaq Presario V4000 Notebook

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I have same problem, that even got worse than that.

I had a similar problem with a toshiba, one that I had messed around with a little too much. Back then I didn't know much about wireless networking. It all happened right after i started messing with the "ipconfig" on the "RUN" menu. First it was like your problem, then I went back to do the ipconfig again, the next time my computer restarted, All the device manager disappeared, and none of the internet connection is there anymore, even my dvd player has dissapeared from the computer menu.

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