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Possible Duplicate:
How to get Broadcom BCM 43XX Wireless card working

I am using a Dell Inspiron 1464. My wlan card is a Dell wireless 1397 whose chipset is made by Broadcom. The chip is bcm 4312.

In Ubuntu 11.04 my wlan card is detected and proprietary drivers have installed successfully. Everything seems to be working fine.

The problem is in Ubuntu 11.10. It detects my wlan card, but when I press activate it says "failed to install drivers'.

What could cause this error message?

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marked as duplicate by Luis Alvarado, stephenmyall, Takkat, fossfreedom Nov 13 '12 at 16:21

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 to reinstall the drivers,

remove drivers:

sudo aptitude remove bcmwl-kernel-source


sudo aptitude install bcmwl-kernel-source

restart your computer and see if wifi workd or not.

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It worked for me DELL 1535, Ubuntu 11.10 – piyushnp Oct 24 '11 at 21:05

or just use synaptic package manager to reinstal the bcmwl-kernel-source.

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