Ubuntu 16.04 LTS cannot shut down

Liam Proven lproven at gmail.com
Thu Jun 30 16:33:36 UTC 2016


On 30 June 2016 at 18:14, M. Fioretti <mfioretti at nexaima.net> wrote:
> Greetings,
>
> the title says it all. I installed this version of Ubuntu on an HP Pavilion
> G6
> laptop, and the only thing that doesn't work, and makes Ubuntu unusable for
> now,
>  is the fact that it does NOT shut down.
>
> - "reboot" from the terminal works
>
> "shutdown -n now" from terminal, or "shut down" from the graphical interface
> do not work. They only **completely, completely freeze** the system.
>
> I have **already** searched online for this problem, and all I found are
> lots
> of reports like this at askubuntu and similar places, with almost zero
> answers. Any help to diagnose and fix the problem is very welcome.


I have seen this, although not for years.

2 possible solutions:

* Look for a firmware update. It's often an ACPI issue.

If there isn't one, you can try:

* Add the kernel boot parameter "noswitch"

-- 
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