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wireless device does not work on my acer aspire one using fedora 16 desktop

I installed Fedora 16 desktop 32-bit edition on my acer aspire one and when i run the operating system I notice that the wireless device “Broadcom Corporation BCM4312 802.11/g LP-PHY (rev 01)”  are not working and the LED of the wireless is off and when i press Fn+3 or push ther wireless button nothing happend and the led does not light.

I do the command ” # lspci ”  and can see the Network device (Broadcom Corporation BCM4312 802.11/g LP-PHY (rev 01)) but its not work.

also in the fedora gnom i see the statment “frameware missing” beside the wirless device at the task bar.

I did the following commands to make the wireless works (please if your case different reffer for the resources as it will help you)

cd /usr/loca/src
tar xjf b43-fwcutter-015.tar.bz2
cd b43-fwcutter-015
sudo make install
cd ..

tar xjf broadcom-wl-
cd broadcom-wl-
b43-fwcutter -w /lib/firmware wl_apsta_mimo.o

and then i restart the networkmanager by

/etc/init.d/network restart

and then ooops the wireless network let gets on the i can use wireless device on acer aspire one which is running fedora 16 desktop.

please read the following resources if your case different or you need more help because its very important/.