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I use a HP DV6 7040tx

I installed bcmwl-kernel-source driver for my BCM4313 and I am able to connect to the any wifi network. But I cannot disable/enable the wifi using the Fn+F12 key. It usually stays white when on and orange if off. But no matter how many times I press Fn+F12 it always stays white. If I click on disable wireless networking from unity or gnome panel then the color goes orange. The software on unity is able to change the indicator color of the wifi but the hardware switch (Fn+F12) does not work.

I tried to make my laptop into a hotspot but my android or any other device did not pick it.

[psycho:~] $ lspci | grep BCM
0a:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)

It was working before with Nadia (Linux Mint 14). I don know what I did to get it working before.

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Topics other than Ubuntu and official derivatives are considered off topic.Mint is not on the list. See FAQ However, try adding kernel parameter acpi_osi = Linux in grub config file. For hotspot, have a look here - How to setup a wi-fi hotspot (access point mode)?. Though I doubt, as Mint configuration location may be different, design may be different. –  Web-E May 6 '13 at 12:06
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