[Discuss] Ubuntu 16.04 Wifi Connection Disappeared

[Jerry Feldman]

Hi Nancy,
Can you post your laptop brand and model.

On 01/03/2017 09:30 PM, Nancy Allison wrote:
> Tried it. Error message flashed : Disconnected -- you are now offline.
>
> Clicked the windshield wiper triangle icon. Enable Networking is selected.
> There is no option to enable wifi.
>
> On Tue, Jan 3, 2017 at 9:23 PM, Joel A Savage <jlsavage at gmail.com> wrote:
>
>> Have you stumbled across this yet?  I guess this behavior is well known.
>> Try the nmtui command and variants see if that gets you any traction.
>>
>> https://www.reddit.com/r/LinuxActionShow/comments/4jqv67/ubuntu_1604_
>> networkmanager_fixed/
>>
>> On Jan 3, 2017 9:04 PM, "Nancy Allison" <nancythewriter7 at gmail.com> wrote:
>>
>>> I'm looking at this webpage, which looked promising. Why does it want me
>>> to
>>> download a driver?
>>>
>>> http://smallbusiness.chron.com/disable-wireless-toshiba-sate
>>> llite-52666.html
>>>
>>> The Fn-F8 key combo is not doing anything, unfortunately. Fn-F12 (which
>>> looks like an oldfashioned glass thermometer with the bulb on top) turns
>>> on
>>> and off the Bluetooth icon.
>>>
>>> Dang.
>>>
>>> I wonder if I will have to wait until the next BLU installfest to get it
>>> working. Computers are great when they work.
>>>
>>> What did I doooooo!
>>>
>>> On Tue, Jan 3, 2017 at 8:49 PM, Gregory Boyce <gboyce at badbelly.com>
>>> wrote:
>>>
>>>> A lot of laptops include a shut off for the wireless in the form of a
>>>> function key or a physical switch.  It may be worth checking for that.
>>>>
>>>> On Tue, Jan 3, 2017, 8:35 PM Nancy Allison <nancythewriter7 at gmail.com>
>>>> wrote:
>>>>
>>>>> Hi, everyone. Thank you for your great replies! I hope this additional
>>>>> detail is useful. (Yep, means problem not solved yet.)
>>>>>
>>>>> Greg:
>>>>>
>>>>> I followed your numbered steps, which were great, through #3. At #4, I
>>> see
>>>>> your screenshot. However, the list on the left contains only two items:
>>>>>
>>>>> Wired
>>>>> Network proxy
>>>>>
>>>>> Airplane Mode is off, but there is no Wireless item on the right, and
>>> no
>>>>> wireless networks are listed.
>>>>>
>>>>> Greg and Mike: I opened the terminal window and entered this command:
>>>>>
>>>>>      sudo service network-manager restart
>>>>>
>>>>> I put in my password.
>>>>>
>>>>> For a while, a handy Enable Wi-Fi option appeared in a menu at the top
>>> of
>>>>> the window. I clicked it! But still, it didn't discover my local wi-fi
>>>>> network, so I thought, "I'll reboot, and when it loads up, it will
>>> find my
>>>>> Wi-Fi network, and all will be well."
>>>>>
>>>>> Alas, it was not to be. Instead, the Enable Wi-Fi option disappeared
>>> once
>>>>> again from the list, and of course my local network was not listed
>>> among
>>>>> the wi-fi networks.
>>>>>
>>>>> So, I was back to square one.
>>>>>
>>>>> Mike, I have a Toshiba Satellite. After a little googling about
>>>>> identifying
>>>>> my wireless card, I ran lspci in the terminal window, and I'm seeing:
>>>>>
>>>>> network controller: Intel Corporation Wireless 3160 (rev cb)
>>>>> Ethernet controller: Realtek Semiconductor Co., Ltd.
>>> RTL8111/8168/8411PCI
>>>>> Express Gigabit Ethernet Controller (rev 0c)
>>>>>
>>>>> Is this the information you were looking for? Ubuntu 14.nn on this
>>> laptop
>>>>> linked successfully to the Internet for quite a while. But maybe Ubuntu
>>>>> 16.04 could have problems with the same networking card?
>>>>>
>>>>> As a last thought, I've rebooted numerous times, so even if I messed
>>> up my
>>>>> password a time or two, I don't think I could have messed it up every
>>>>> time.
>>>>>
>>>>> Thank you all so much. If there's more information that would help, ask
>>>>> away. If you can think of any next steps I should try, I'm all ears!
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Jan 3, 2017 at 5:16 PM, Bill Ricker <bill.n1vux at gmail.com>
>>> wrote:
>>>>>> I have had problems with WIFI waking from SUSPEND with 16.04 with one
>>>>>> laptop.
>>>>>> (and with a prior version with another laptop! Both Lenovo T61's.)
>>>>>>
>>>>>> Don't know if that's your issue but mentioning it just in case.
>>>>>>   (And i may try the suggested sudo restart on that one, thanks )
>>>>>>
>>>>>>
>>>>>>
>>>>>> Bill Ricker
>>>>>> bill.n1vux at gmail.com
>>>>>> https://www.linkedin.com/in/n1vux
>>>>>>
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-- 
Jerry Feldman <gaf.linux at gmail.com>
Boston Linux and Unix http://www.blu.org
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