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Old 10-25-2016, 11:15 PM   #1
Novatian
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Mint 18 power manager fault?


Good day, I have Mint 18 MATE running on a Dell Inspiron Zino, which is over 5 years old, but Mint after idling for hours does not go to sleep. I adjusted power management and in Actions it is set to 30 minutes and Display to 10 minutes, but after these times even with the boxes checked Mint is not sleeping. Is there a fix?

Last edited by Novatian; 10-25-2016 at 11:17 PM.
 
Old 10-26-2016, 01:18 AM   #2
ondoho
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Quote:
Originally Posted by Novatian View Post
but Mint after idling for hours does not go to sleep.
do you mean the screen doesn't even go blank?
please elaborate.
 
Old 10-27-2016, 02:24 AM   #3
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Yes, the screen does not go blank. It simply remains on.
 
Old 10-28-2016, 11:32 AM   #4
ondoho
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try to enter this command in a terminal:
Code:
 xset dpms force off
(without touching the mouse of course)

does it go off then?
 
Old 10-29-2016, 12:31 AM   #5
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The screen remains on unless manually turned off from control panel, menu and quit. It should timer off but that it does not is the problem.

Last edited by Novatian; 10-29-2016 at 03:12 AM.
 
Old 10-31-2016, 01:40 AM   #6
ondoho
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ok, so if "xset dpms force off" doesn't even make it flicker, then imho you're looking at a deeper problem. meaning, not related to desktop environment and such, but rather to the kernel.

search compinations of keywords:
- linux
- laptop (?) model
- acpi

what kernel version? if you're unable to search, you could just try a newer kernel.
 
Old 10-31-2016, 04:17 AM   #7
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It's ok, I set the timers again so the screensaver comes on before the go to sleep option, restarted and now it works.

Normally Linux does not a restart.
 
  


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