Additionally do what I previously mentioned when you quoted me:
If that doesn't work check the firmware directory with:
ls -l /lib/firmware/brcm


and give me a listing of the installed kernel related packages:
slapt-get -search '^kernel-'

root[jawad]# ls -l /lib/firmware/brcm
ls: cannot ...

From the Arch Wiki:
Wi-Fi card does not work or show up after kernel upgrade (brcmsmac)

This is caused by the kernel using the bcma module instead of the brcmsmac module. The solution is to blacklist the bcma module. For instructions, see Kernel_modules#Blacklisting.
Note: This affects only Linux ...

jawad[~]$ uname -a
Linux Jawad 3.3.6 #2 SMP Sun May 20 20:55:20 CEST 2012 x86_64 Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz GenuineIntel GNU/Linux
jawad[~]$ su
Password:
root[jawad]# modprobe brcmsmac
root[jawad]# iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

root[jawad]# :S ...

OK, thank you. It says here that your driver is not (currently) supported by the b43 driver: linuxwireless[dot]org/en/users/Drivers/b43#Supported_devices
Could you check whether your device id as reported by lspci -nn -d 14e4: (value in square brackets towards the end) matches this one: 14e4:4727 ...

That would be surprising because that functionality is usually handled by the hardware and the OS does not even notice the difference. The OS receives the exactly same keycode as it would receive on normal hardware. Or do you mean the multimedia keys? Like play, volume, screen-cloning, ...?
There ...

Hello Salix Community :)
well i used to be a debian, fedora, ubuntu and linux mint user and i specify myself as an average user ( not a professional)
and wanted to install slackware, but i knew that i needed a community to learn from, so i chose Salix OS
i have a samsung rv511 laptop and Salix OS 13 ...