[xubuntu-users] Sudden loss of WiFi during updating

JMZ florentior at gmail.com
Thu Aug 13 09:57:34 UTC 2015

Yes I agree Petter that my path of thought is convoluted (it almost 
always is).  Still, it is not a bad idea to back up sources.list and 
maybe also the directory sources.list.d before 'do-release-upgrade'.


On 08/13/2015 05:22 AM, Petter Adsen wrote:
> On Thu, 13 Aug 2015 04:53:21 -0400
> JMZ <florentior at gmail.com> wrote:
>> Hi David,
>> One peril of running a (what I think is a) no-longer-supported version
> You are wrong. 12.04 is still supported, until well into 2017.
>> Try this.  It's a bit risky and convoluted, but I can help you out if
>> the computer gets stuck.
>> Pre-steps.  ----> Go to your terminal.
>> -------------------> I like ROXTerm (shameless plug).  Type 'sudo
>> apt-get update && sudo apt-get -y install roxterm' to try it.
>> 1) copy /etc/apt/sources.list to another file.  ie. go to x:x/$ (your
>> root directory) and type 'sudo cp /etc/apt/sources.list
>> 08132015-sources.list' or however you like to organize your backup files.
> <snip>
> Nononononono. Don't. If you do want to upgrade, then take the
> 'do-release-upgrade' route, as that will take care of everything you
> need to think about. While doing it this way might work, I wouldn't
> recommend it to a newbie. And there might be newer kernels available
> that have the drivers you need, take a look at:
> https://wiki.ubuntu.com/Kernel/LTSEnablementStack
> That is if the kernel is the problem at all. What might have happened
> is that your system upgraded to a newer kernel that has some problem
> with your wifi adapter. What you could do to determine this is to
> reboot with your previous kernel, it should still be installed.
> Reboot, and select "Advanced" from the Ubuntu boot menu. There you
> should be able to select your previous kernel (if there are many,
> select the one with the next-highest version number). See if that fixes
> your problem before you try anything else.
> Petter

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