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Wireless doesn't work on a Broadcom BCM4312

I have a new Dell Inspiron 15R 5520 laptop running Ubuntu 12.04. My wireless driver doesn't get detected in the Additional Drivers. Please help. Hardware: 14E4:4365

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marked as duplicate by Jorge Castro, Eliah Kagan, jokerdino, Mitch, izx Aug 18 '12 at 6:55

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

^^^ try this and edit your question if it doesn't work –  Jorge Castro Aug 13 '12 at 20:14

1 Answer 1


The same wireless hardware, but another model and Ubuntu version (oneiric). It doesn't work on my Inspiron like yours, but I think I do something wrong. Try it.

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I have tried all the listed suggestions, but whatever I do, The driver never sows up in "Additional Drivers" –  Aanchal Aug 14 '12 at 16:46
Have you tried Ndiswrapper? –  Vladiator Aug 14 '12 at 16:47
No, i haven't tried ndiswrapper –  Aanchal Aug 14 '12 at 17:19

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