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I'm on Kubuntu 14.04.3 on a ThinkPad X250.

I tried to configure what happens when I close my laptop lid or when I press my power button in the "Configure Energy Saving" dialog in the "System Settings". But no matter what I choose (Sleep, Turn Off screen, Lock Screen, Shutdown) nothing happens if I press the power button or close the laptop lid. It used to work on my ThinkPad X230.

I have a couple of "activities" that had custom settings for energy saving, but now I set them all to "Don't use special settings".

I'm aware of Power button in Lubuntu 13.10 will not suspend. I tried the solution but it did not work for me.

When I perform Sleep, Restart, Shut down, etc.from the launcher menu everything works fine. I can also perform these actions from the terminal using the shutdown command and I can suspend the machine using 'pm-suspend'.

Following this answer to a related question I added 

logger in /etc/acpi/powerbtn.sh, presumably "Power button pressed"

to /etc/acpi/powerbtn.sh. Now, if I do sudo /etc/acpi/powerbtn.sh an entry in /var/log/syslog is made. However, if I press the power button no entry is made, so I guess this script is not executed when I press the power button.

Following this question I made a script that prints out the value of

/proc/acpi/button/lid/LID/state

every second. Opposing to what was reported there the LID state is correctly detected.

I ran 'acpi_listen'. I get a message when closing and opening the lid:

button/lid LID close
button/lid LID open

However, I do not get a message when pressing the power button. So does that mean that the "closing the lid" and the "power button" problem are unrelated? I realized that in '/etc/acpi/' and '/etc/acpi/events' there seem to be no files handling lid close:

$ ls /etc/acpi/events/
asus-keyboard-backlight-down  asus-wireless-off  ibm-wireless   powerbtn       tosh-wireless
asus-keyboard-backlight-up    asus-wireless-on   lenovo-undock  thinkpad-cmos

$ ls /etc/acpi/
asus-keyboard-backlight.sh  asus-wireless.sh  events  ibm-wireless.sh  powerbtn.sh  tosh-wireless.sh  undock.sh

I also run Windows on the same machine and there the power button and closing the lid works normally, so it cannot be a mechanical defect.

Any ideas how I can make my Laptop go to sleep when I press the power button or close the laptop lid?

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Fabian Rost
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    Possible duplicate of [Power button in Lubuntu 13.10 will not suspend](http://askubuntu.com/questions/363510/power-button-in-lubuntu-13-10-will-not-suspend) – Daniel Oct 06 '15 at 20:31
  • @Daniel 2 Completely different issues. – David Oct 06 '15 at 20:50
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    @Fabian Rost please Edit your question with the result of `sudo shutdown now` in your terminal. I do realize that this isn't sleep. – David Oct 06 '15 at 20:51
  • @Daniel, I tried the proposed solution from Power button in Lubuntu 13.10 will not suspend and as David Cole just pointed out it doesn't work. – Fabian Rost Oct 06 '15 at 20:56
  • OK. Have you tried `sudo shutdown now` like David suggested? – Daniel Oct 06 '15 at 20:58
  • `sudo shutdown now` turns of my screen and makes my computer not to respond anymore. However, it will not completely shutdown (power light and cpu fan remain on). – Fabian Rost Oct 06 '15 at 21:04
  • I forgot to mention that everything works fine if I use the launcher menu. Furthermore `sudo reboot` reboots my machine and `sudo shutdown -P now` shuts my system down. – Fabian Rost Oct 06 '15 at 21:16
  • My apologies. I am used to clean Ubuntu. Kubuntu may require a -P or maybe sometimes a -Pf to power off with `shutdown` @FabianRost – David Oct 06 '15 at 21:21
  • Possible duplicate of http://askubuntu.com/q/631895/458355 – Fabian Rost Oct 12 '15 at 10:58
  • Possible duplicate of http://askubuntu.com/q/660874/458355 and http://askubuntu.com/q/639952/458355 – Fabian Rost Oct 12 '15 at 11:07
  • Possible duplicate of http://askubuntu.com/q/395428/458355 – Fabian Rost Oct 16 '15 at 12:31
  • Maybe related to https://bugs.launchpad.net/ubuntu/+source/upower/+bug/863834#30 – Fabian Rost Oct 16 '15 at 12:32

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I upgraded to Kubuntu 15.10. Now, closing the laptop lid is correctly handled (the action I select in the System Settings of KDE is performed).

However, the power button is not yet functional.

Fabian Rost
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