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I installed Ubuntu 12.04 and I can't seem to locate an answer on how to install the wireless drivers for it. I'm a noob linux user so, complete directions are appreciated. If you need anything to help solve the problem, you need only ask and I shall provide. Thank you, in advance, to anyone who offers any help for me.

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Plug in the ethernet cable

run these commands in terminal

sudo apt-get purge bcmwl-kernel-source broadcom-sta-common broadcom-sta-source
sudo apt-get install b43-fwcutter firmware-b43-installer

Then unplug ethernet and reboot

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This will show how to install the wireless driver: Dell Inspiron 1525, Upgraded to 12.04 and have lost Wireless Internet Connection

This will show how to unlock the hardware switch: Dell Inspiron 1525, Upgraded to 12.04 and have lost Wireless Internet Connection

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Try this in the terminal. Ctrl+Alt+T to open up the terminal. Then type this exactly like this:

rfkill unblock all
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Nothing appeared to happen and I still don't have wireless. – user65929 May 26 '12 at 22:18
Used the solution from this post:… However, now it says disabled by hardware switch. I pressed my switch and there was no response. – user65929 May 26 '12 at 22:25
And here is the solution for that little issue. I recomend listing all the devices before unblocking them.… – user65929 May 26 '12 at 22:36
Thank you for your help. – user65929 May 26 '12 at 22:36

1.Open System settings and click on Network.

2.Then click Wireless and turn it on.

3.Click on the network name drop down and choose Other.

4.Give the network you want to connect. For example TP-LINK_AAB61C.

5.Select the Wireless security and provide the password. Then click Connect.

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This worked for me for the Dell Inspirion 1545 with 12.04:

sudo apt-get install b43-fwcutter firmware-b43-lpphy-installer

along with opening this file to fix no sound issue:

gksudo gedit /etc/modprobe.d/alsa-base.conf

then add this to the end of the file once opened ..

options snd-hda-intel model=generic

save, close and reboot.

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