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Kali Linux not detecting wireless network in dual boot

I just installed Kali Linux on Dell Inspiron 1545, and am unable to get wireless connection.


I attempted the following

root@kali:~# lspci -knn | grep Net -A2
0c:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
    Subsystem: Dell Wireless 1397 WLAN Mini-Card [1028:000c]

# apt-get install firmware-iwlwifi
# modprobe -r iwlwifi; modprobe iwlwifi
I even tried commands I used when I installed Ubuntu on the same laptop
sudo apt-get install bcmwl-kernel-source
sudo modprobe -r b43 bcma
sudo modprobe wl
How to fix?

UPDATE

I also ran
sudo apt-get install kali-linux-wireless
but I still cannot detect and connect to my home wi-fi.
Thanks!

Tried first solution

I tried first solution, but when I go to Administration > System, I get package manager. I searched for everything Broadcom downloaded, installed, rebooted, but still no wireless.
There has to be an easy solution ......
Am trying this, http://www.chokepoint.net/2014/04/installing-broadcom-bcm43142-drivers-on.html
I was getting errors with install. After I reboot, still no wireless detector.

Update

I'm trying all your suggestions .... seems I will have to read the links you provided. Who knew getting wireless would be so difficult! I will extend bounty time if possible.







































































































































































































































 
 
 

May be your wireless card is in turned off state, does the laptop have any dedicated physical switch or key combo(like Fn+F3 on my acer laptop) to turn on/off Wi-Fi ? most laptops also have a LED to show Wi-Fi card state.
Device firmwares are not pre installed in kali-linux(my last used version 1.0.4 can't tell about latest versions) , so if not already installed, install them.

sudo apt-get install firmware-linux firmware-linux-free firmware-linux-nonfree

Install Broadcom wireless card firmware 

sudo apt-get install firmware-brcm80211 firmware-b43-installer firmware-b43legacy-installer broadcom-sta-dkms
Then use proper kernel drivers, b43 or b43legacy, iwlwifi is Intel Wi-Fi card driver so firmware-iwlwifi is not necessary.


I'm running Kali Linux on a Macbook Pro. The macbook also uses the broadcom device drivers.
  
apt-get update
apt-get install linux-headers-$(uname -r | sed ‘s,[^-]*-[^-]*-,,’) broadcom-sta-dkms
modprobe -r b44 b43 b43legacy ssb brcmsmac
modprobe wl

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