A new Kubuntu 12.04 install is not getting IP addresses from either the wired connection nor from any wireless connection. The cables / router ports / wifi adapter / access point are all known good and work with other equipment. I suspected a failed NIC but seeing how the wireless connections also aren't working via USB wifi adapter, that eliminates the NIC as a possible source of the issue. What other hardware might be shared between the wired (onboard NIC) and wireless (USB wifi adapter)? I stress that with the wifi adapter I see other networks, but cannot get an IP address from them either. Testing with a Kubuntu 11.10 LiveCD has the same results.
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