Windows 10: System restarts itself sometime after a shutdown Solved

  1.    31 Jan 2016 #1

    System restarts itself sometime after a shutdown

    I have multiple PC's running W10 v1511. For some reason at least one of them and I suspect more than one will automatically restart after it has been shutdown. The restart does not occur immediately, in fact, it is several hours before the magic happens! The reason I know it's happening is the system will be in a sleep state when I check it in the morning after I know I shut it down the night before. The PC in question is the one that I have described in my system specs. I know all about the "Wake On" settings in the in the Intel network controller. I have them all turned off (unchecked) but that only effects the system when in sleep mode? Is there some other setting that could be causing the system to refuse to stay shutdown? Any idea on what the heck is going on would be appreciated.
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  2. davidhk's Avatar
    Posts : 5,227
    windows 10 Home threshold2
       31 Jan 2016 #2

    Have you by any chance scheduled a task to run at a certain time of the day or week ?
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  3.    01 Feb 2016 #3

    davidhk said: View Post
    Have you by any chance scheduled a task to run at a certain time of the day or week ?
    I have not installed any tasks but there are several tasks installed by various software programs I use. This is really strange because I have one other machine with almost the same system specs and the software installed and it does not start itself from the shutdown state. Obviously, there is something different between the two systems.

    I logged "on a piece of paper" that I shutdown the problem system at 3AM today! So we'll try to watch and see when it comes back to life on it's own. I'll also go check when the tasks were last run in the Task Scheduler.
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  4.    02 Feb 2016 #4

    Ok, it looks like the system reboots on it own exactly 24 hours after shutdown - at least that is what it did today! I can tell that since the system was in an S3 sleep state by the time I checked it but the Task Manager shows when all the startup tasks were last run. I'll verify that this is true tomorrow since I shut it down at a slightly different time this morning.

    Like I said above, I have other systems with similar hardware and software (including startup tasks) and they do not startup on their own when shutdown. Hope the 24 hour detail sheds some light on what is going on with this system.
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  5.    03 Feb 2016 #5

    Another day and another W10 auto restart from the shutdown state exactly 24 hours from the time I manually shutdown it down! Somebody must have a clue on what the heck is going on with this one PC.

    I can say without question that my problem system restarts itself from a shutdown state every 24 hours. It makes no difference what time I shut id down it down it restarts itself exactly 24 hours later. Someone must have some idea on what heck W10 v1511 is up to?! I suppose it's no big deal as far a energy consumption is concerned since the system uses ~0 watts when in the sleep state. But it ain't right and I'd sure like to get to the bottom of the issue. Help!!!
    Last edited by Ken429; 07 Feb 2016 at 15:26.
      My ComputerSystem Spec

  6.    25 Feb 2016 #6

    Not getting much help with this issue!

    Just to add to my woes, I now have two machines that restart themselves EXACTLY 24 hours to the second after they have been SHUTDOWN. The problem has probably been on both systems all along I just never paid close attention to why they were in sleep mode - I just assumed I forgot to shut them down! Both systems are built on an ASRock Z97 Extreme6 MB and a 4790K processor running with default BIOS settings. Both systems have a relatively fresh install of W10 v1511. I have two other systems built on an ASRock Z77 Extreme4 MB with a 3770K processor and a 2600K processor. Neither of these two systems have the problem. All four systems have the same software installed! I can't believe I'm the only one in the world with this issue, minor though it may be?
    Last edited by Ken429; 25 Feb 2016 at 07:48.
      My ComputerSystem Spec

  7.    01 Mar 2016 #7

    Problem solved! Disabled the Intel Smart Connect Technology option in the BIOS and the Reboot issue goes away. Apparently the ASRock Extreme6 BIOS implementation of the Z97 chip is a little different than the Extreme4 Z77 implementation. The Default setting on both MB's was Enabled yet the Z77's (at least mine) don't have the Reboot "problem". The guys on the Malwarebytes Forum jumped all over me when I tried to blame that program. They directed me to the BIOS issue almost immediately!
      My ComputerSystem Spec


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