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Recently, I have installed Ubuntu 12.10 along with Windows 7 (after which I upgraded to Windows 8), but I have never been able to get any network connection on ubuntu, wireless nor wired. Works fine on Windows. I am on a HP ProBook 4510s.

My ethernet controller:

Marvell Technology Group Ltd. 88E8072 PCI-E Gigabit Ethernet Controller

My wireless controller:

Broadcom Corporation BCM4312 802.11b/g LP-PHY

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the output of ifconfig and the contents of /etc/networks/ may be helpful in working out the answer – Journeyman Geek Feb 6 '13 at 23:49
For the wireless see here:… – Luis Alvarado Feb 10 '13 at 17:45

(should be a comment, rep to low) can you go through this Diagnose Network Problems yourself step-by-step guide and if it doesn't solve your problem post your results here, that should give a better description of your problem.

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Thanks for the reply. I solved it in the meantime by plugging-in an ethernet cable and downloading wireless drivers. :) – Amir Šabanović Feb 10 '13 at 13:57

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