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Old 05-03-2017, 02:17 PM   #1
agonsalves
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Registered: May 2017
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Unable to detect Wifi - Broadcom BCM4352


Hey Ubuntu Family,

So I've recently just made made the switch from Windows 10 to Kubuntu 16.04.02 LTS. For clarity, I'm an adolescent linux user - fresh and new to linux.

The issues is that I do not seem to have the wifi icon, rather just an airplane mode icon. Thus, I can't even scan for wifi.

I am using a Dell XPS 13 laptop with Intel Broadwell Core i5-5200U CPU, 4GB RAM, 256GB SSD. I am not able to access the internet on my system - obv. due to no wifi, and my laptop does not have an Ethernet port.

Through the Konsole command: lspci -vvnn | grep -A 9 Network
I found that I am using a Broadcom Corporation BCM4352 802.11ac Wireless Network Adapter
My PCI-ID is 14e4:43b1
The Kernel driver in use: bcma-pci-bridge
The current Kernel I am using is 4.8.0-36-generic

I would genuinely appreciate any help I can get to resolve this issue and get my beloved Wifi working again.

2. I saw a post somewhere, which I now am unable to find saying that if i could get the b43-fwcutter-installer downloaded elsewhere and working on my laptop, it would update/manage the drivers for me and allow my wifi to work, however i don't fully understand firstly if this will work, and secondly how to do it. - The post also mentioned getting the STA ones but stated they were terrible, but beats nothing.

3. Also as a side note i'd like to know if this issue would be a problem on all distros, since it's the driver installer missing from the repositories - due to them not being openly available by broadcom or something similar was mentioned on the b43 post. Or if it's just Kubuntu/my laptop(since it's my wireless adapter issue).

Thank you

I'm not sure, but would this article be of any benefit to me? wiki.gentoo.org/wiki/Dell_XPS_13_9343
 
Old 05-04-2017, 02:00 AM   #2
ondoho
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hello, welcome, thank you for a well-formatted post. so much easier to read.

anyhow, please provide some additional info, as requested here.
 
Old 05-04-2017, 04:43 AM   #3
agonsalves
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Registered: May 2017
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[SOLVED] but new problem

Found another solution through posting in Ubuntu Forums as well. Hope this helps other people too; ubuntuforums.org/showthread.php?t=2360333&page=2. [Good ol' mobile tethering!]

However, still a slight problem, it shows all the connections, but once I put in all the info (username, password, security settings, etc.) it says 'for accessing the WiFi network you need to provide a password' and two little popups come up saying wifi deactivated and no secrets were provided. I tried my WiFi password again here which i know to be 100% correct and checked thoroughly, but it still doesn't work.

Am I missing something really simple or is there another issue?

Thanks again
 
Old 05-04-2017, 10:45 AM   #4
ondoho
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have you tried your user password?

it might also ask you to create a new keyring, or unlock an existing one.
i am not using this, but i think it is possible to provide a password different from your user password there.

anyhow, the user password it is i guess.
 
Old 05-04-2017, 01:19 PM   #5
agonsalves
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Registered: May 2017
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hey, yes i thought it might be that too but i tried that plenty of times. I think it doesn't care that i put in the right password or not, it just keeps coming up and not connecting.
 
  


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