Windows 10: Computer keeps waking from sleep. Tried everything.

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  1.    18 Nov 2017 #11

    Any more ideas everyone? It woke again at 3am. Wake source: Unknown.
      My ComputerSystem Spec

  2.    18 Nov 2017 #12

    Have you enabled Task Scheduler logging in your event viewer?
    Perhaps this will allow you to correlate a specific task with the wake event.

    P.S.: I feel for you. I'm currently trying to troubleshoot some mysterious COM Surrogate crashes that appear randomly in my event logs, with no luck so far trying to figure out what's causing them.
      My ComputerSystem Spec

  3.    18 Nov 2017 #13

    Go to device manager, open every item , look for power management in the header when it opens.
    Make sure "Allow this device to wake up computer is not ticked... Don't know if it will help but it may be worth a try...
      My ComputerSystem Spec

  4.    18 Nov 2017 #14

    I have a very simple suggestion:

    The next time you put your computer to sleep,
    physically disconnect it from all networks: The Internet, your LAN, Bluetooth, everything.
    See if it still wakes up by itself.
      My ComputerSystem Spec

  5.    19 Nov 2017 #15

    Pirx - Thanks - I have checked every task schedule and all have wake up unticked. I have found this in the Task Scheduler Maintenance but not sure what it is.
    NT TASK\Microsoft\Windows\.NET Framework\.NET Framework NGEN v4.0.30319 64 Critical - Maintenance wake-up requested
    However all maintenance tasks are changing state the next second. A wake up would take longer than 1 second so I assume it's not that.

    Raner - Have opened every item in Device Manager and none have wake-up enabled. Thanks.

    Eksy61 - That could be worth a try even though Wake on LAN is disabled. I will try that tonight. I will disconnect the router to PC cable and the Blutooth receiver. Thanks.
      My ComputerSystem Spec

  6.    19 Nov 2017 #16

    sydh said: View Post
    Pirx - Thanks - I have checked every task schedule and all have wake up unticked. I have found this in the Task Scheduler Maintenance but not sure what it is.
    NT TASK\Microsoft\Windows\.NET Framework\.NET Framework NGEN v4.0.30319 64 Critical - Maintenance wake-up requested
    However all maintenance tasks are changing state the next second. A wake up would take longer than 1 second so I assume it's not that.
    No, but that gives me another idea.

    Unless you disabled Automatic Maintenance, Windows does a lot of scheduled maintenance tasks while the computer is idle. I was surprised to find Windows waking up my PC in the middle of the night to install drivers and so forth.

    To see just when all the maintenance tasks are scheduled, start an elevated Command Prompt (administrator privileges). Enter the command
    schtasks /query

    For example, on my PC, this command reveals the following:

    SpeechModelDownloadTask: 12:00 AM
    Microsoft Compatibility Appraiser: 3:26 AM
    Office Automatic Updates: 4:47 AM

    If my PC is asleep, Windows will likely wake it up to run these tasks.
      My ComputerSystem Spec

  7.    19 Nov 2017 #17

    Hi Eksy61 - Good idea but the automatic maintenance has the wake up box unticked. I also have a time of 1900 set but all the wake up times happen at any time of day or night.
    I note the tick box states wake up my computer at the scheduled time which is 1900. I wonder if that means it will wake the computer at any time other than 1900. Sounds unlikely but I'm grasping at straws here.

    I should add, using your command there are several items scheduled for tonight. I will make a note of the scheduled times and see if those times match a wake up tonight.
      My ComputerSystem Spec

  8.    19 Nov 2017 #18

    Did you enable task scheduler's logging facility as I had suggested? You need to go Applications and Services Logs->Microsoft->Windows->Task Scheduler in Event Viewer, right-click on the Operational log and enable it. This will force Task Scheduler to log all of its operations continuously. Still a shot on the dark, but if it is something that Task Scheduler initiates, that log will show it.
      My ComputerSystem Spec

  9.    20 Nov 2017 #19

    Hi Pirx - Sorry. Forgot to mention it. Trying so many things. Yes I did enable the log immediately after I last woke the computer and loads of tasks were performed immediately as you would expect after a manual wake-up.
    Strangely last night, the computer remained asleep. I don't think I have done anything to fix it. Everything I have done is investigative. I will check the log next time it wakes itself.
      My ComputerSystem Spec

  10.    20 Nov 2017 #20

    sydh said: View Post
    Strangely last night, the computer remained asleep. I don't think I have done anything to fix it. Everything I have done is investigative. I will check the log next time it wakes itself.
    Heh, I think your system has figured out you're onto it and it will behave from here on out...
    Just kidding, of course. I'm curious as to what you find. Sorry, I know this one must annoy the heck out of you, but for the independent observer it's interesting.
      My ComputerSystem Spec


 
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