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I have a Broadband router at home with a Internet connection. When I try to connect my Ubuntu 12.04 on a HP Pavillion laptop, using Automatic(DHCP) via a Ethernet Cable(I have driver issues for Broadcom WiFi adapter) , it does not connect to internet. The top icon keeps showing a message

"Wired Network Disconnected - You are now offline"

But then I select Manual method for the same Wired network and add IP address, Gateway and Subnet mask manually, it connects to Wired network and I can access the internet fine.

What am i missing to get internet access using Automatic DHCP? How do i fix it?

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Why do you think it is a driver issue. I would think that since it works with static IP the problem lies somewhere in the DHCP configuration. Can you throw up a screenshot of the network setting screen when you have it set for DHCP, or the output of less /etc/network/interfaces –  dan08 Jul 3 '13 at 18:59
    
This definitely sound like a DHCP (miss)configuration problem. Connect to your broadband router's administration interface and check the parameters. It may be that the DHCP server is off, or that the default range of available to lease addresses is too small. –  hmayag Jul 4 '13 at 0:18
    
@hmayaq - Router is configured properly for DHCP settings as at that time, a Windows-7 PC is able to get IP address correctly via DHCP, and connects fine to internet. –  goldenmean Jul 17 '13 at 3:53
    
@dan08 . I said I have WiFi driver issue because, could not get the WiFi to startup properly on the ubuntu which would show up as small WiFi icon. But questions is on a wired connection, I faced issue in getting DHCP working. –  goldenmean Jul 17 '13 at 3:56
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