[xubuntu-users] Shutdown does not power off computer Xubuntu 12.04.4 (64bit for Desktop)

[Fred Roller]

On 03/20/2014 01:51 AM, g wrote:
> Hi All,
>
> I recently purchased a branded Dell Optiplex 3020 Desktop that shipped 
> with ubuntu. I removed the ubuntu installed in it and installed 
> Xubuntu 64bit in this Desktop through the torrent downloaded from
> http://xubuntu.org/getxubuntu/
> Latest LTS release: 12.04, Precise Pangolin (64bit Desktop)
>
> I encounter a problem whenever I shutdown or restart;  the screen goes 
> black, my computer doesn't power off. The fans still run and the 
> screen is still on, etc. I have to hold down the power button in order 
> to completly shut down.
>
> I tried to fix it taking the help from below URL but was of no use. It 
> did not work.
>
> http://askubuntu.com/questions/125844/shutdown-does-not-power-off-computer
>
>
> I am very new to using the Linux and it commands. Please guide me in 
> fixing the issue.
>
> Thank you.
>
> Gokul Dahal
> gokuldahal at gmail.com <mailto:gokuldahal at gmail.com>
> Cell : +977-9849977775
>
>
>

Have you checked your shutdown sequence. My experience is a process 
fails to shutdown thus creating a hang during the shutdown sequence 
preventing the final signal for power-off from being triggered. 
Unfortunately your screen blanks.  Try switching to a terminal from GUI:

ctrl+alt=F[1-5]

#login:[username]
#[enter password]

from here issue the shutdown command manually:

# shutdown -h now

You may need to sudo the shutdown command.

hopefully this will allow you to see the shutdown sequence and where the 
system may be hanging.  Once identified the community should be able to 
help move things along.

HTH

Fred
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