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I am completely new to Ubuntu Mate. I purchased a larger hard drive for my old HP laptop and installed 14.04 LTS as the only operating system.

The good news: it works great, with a wired connection, the bad news: I cannot seem to get the WiFi connection set up.

I have tried to install the proprietary driver, I've searched the forums and entered certain codes into the terminal, I've followed instructions that have seemed to work for others who have asked similar questions but I cannot seem to get this set up or even have my WiFi or any WiFi connection detected.

Pls let me know if I can provide any additional detail - I really appreciate any guidance you can share.

Thank you !

Joez

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Please edit your question to add details of your wireless device from the terminal command: lspci -nn | grep 0280. Welcome to askubuntu. – chili555 Jun 2 '15 at 13:58
    
Hi Chili555 - is this what you're looking for ? Thank you for the response ! joez@joez-HP-Pavilion-dv5-Notebook-PC:~$ lspci -nn | grep 0280 02:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01) joez@joez-HP-Pavilion-dv5-Notebook-PC:~$ – Joez Jun 2 '15 at 14:07
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The Additional Drivers tool offers to install the proprietary Broadcom STA driver for your device. It is incorrect. With a temporary internet connection,open a terminal and do:

sudo apt-get purge bcmwl-kernel-source
sudo apt-get update
sudo apt-get install firmware-b43-installer

The firmware installer takes a few moments; please be patient. When it finishes, reboot and your wireless should be working.

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Hi Chili555 - thank you, I opened the terminal, entered those three codes and rebooted. My WiFi connection is still not being detected or automatically connecting. The wired connection is of course working. If you're thinking everything should work at this point I am wondering if I need help editing my WiFi network connection details (WiFi, WiFi Security, IPv4 Settings, IPv6 Settings) ? – Joez Jun 2 '15 at 14:56
    
You shouldn't need to add any details. Network Manager should do all the work. What does this tell us? rfkill list all? – chili555 Jun 2 '15 at 15:13
    
joez@joez-HP-Pavilion-dv5-Notebook-PC:~$ rfkill list all 0: phy0: Wireless LAN Soft blocked: no Hard blocked: yes joez@joez-HP-Pavilion-dv5-Notebook-PC:~$ – Joez Jun 2 '15 at 15:22
    
"Hard blocked:yes" implies that the switch or key combination, F12 or some such, is set to disable wireless. Please find it and switch it. – chili555 Jun 2 '15 at 15:24
    
Hi Chili555 - above the F12 key on my laptop there is a back lit wifi button. When I had windows on this laptop you could touch it and the backlighting would turn from red to blue to indicate that Wifi has gone from disabled (red light) to enabled (blue light). Right now the backlighting is red and it no longer changes to blue by touching it. Any thoughts on how I can force it to change ? – Joez Jun 2 '15 at 15:37

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