Sleep states and power drain 1909 build


  1. Posts : 97
    10pro 20H2 19042.1237
       #1

    Sleep states and power drain 1909 build


    Hello to the forum.
    Chasing power drain when sleeping (machine but perhaps also me).
    After checking this post ...
    Sleep States Available on your Windows 10 PC
    And producing some output from "powercfg"...
    Sleep states and power drain 1909 build-w10p_faststart_disabled.jpgSleep states and power drain 1909 build-w10p_sleepstates.jpgSleep states and power drain 1909 build-w10p_wake_armed.jpg
    I am a bit puzzled ..
    I understood that if this machine has "S0" capable then "S1-3" would not be available .....
    And having checked that fast start is disabled ...
    Battery still drops to zero after a few hours in "sleep" (lid closed).
    There is no ethernet plugged in.
    There have been (and in last example were) a hard drive in a usb3 A port (power share? 'SS=' symbol) and a flash drive in the usb3 C port.
    Does "Sleep" not just switch those off ?
    Just an irritation, not the biggest problem.
      My Computers


  2. Posts : 11,384
    Windows 10 Home x64 Version 21H2 Build 19044.1706
       #2

    You don't have S0 Modern standby. Your powercfg -a results say so. {Incidentally, I've never seen powercfg -a results that did not follow that S0 line with The system firmware does not support this standby state.]

    Some computers switch off power to USBs. Some don't. Some can be set to whichever behaviour you want. You should check your Bios & your computer manual to see if you have any choice.

    Checks to do
    - 1 Find out what charge your battery is reaching. Perhaps it is worn out and that's why you can only sustain a few hours sleep.
    - 2 Perhaps it is not sleeping when you close the lid.

    1 Check the battery condition -
    Run this command but with the path to a convenient folder of your own in place of my D:\Desktop
    Code:
    PowerCfg /batteryreport /output D:\Desktop\BatteryReport.html /Duration 1
    Compare the reading for Last Full Charge with that for Design capacity

    2.1 Check what you set in Power options, Choose what the buttons do.
    2.2 Check in Event viewer for records of sleeping & waking up.
    Log - System
    Source - Power troubleshooter
    Event IDs - 1, 42
    If you are not familiar enough with Event viewer to know what to do then unzip this Custom view definition and import it [look on the right-hand side of Event viewer for Import custom view]
    Power - Sleep-Hibernate transitions.zip


    Denis
      My Computer


  3. Posts : 97
    10pro 20H2 19042.1237
    Thread Starter
       #3

    Thank you Try3.
    Your first line is one reason for posting this question ...
    Did the battery report and have last full charge at 64,608 with design as 68,020.
    I did post the power buttons in post one ... only sleep or shut down.
    Started looking at event viewer...
    Arranged by source and found ...
    I have no "42" events.
    I have plenty of "1" events.
    Arranged by date and grabbed image ...
    Attached image is for today's event spanning wake from sleep through sleep for some hours then attempted restart by lifting lid, followed by power cord connect and subsequent restart.Sleep states and power drain 1909 build-events_2.jpg

    Thank you for help - Paul

    EDIT: 42 events are not in power ... but now find plenty in Kernel-Power - but all as "information" without any warnings/errors.

    - - - Updated - - -

    Update from looking at that battery report ..
    Attached image shows ...
    Previous day was suspended for 15 hours and battery dropped from 61% to 54%.
    Today was suspended for 5.5 hours and battery dropped from 39% to 1%.

    So your suspicions probably correct over the usb power ... except that I "thought" both drives were plugged in overnight ... but cannot be certain now so will check bios and do a test.
    Paul
    Last edited by Pavl; 21 Apr 2021 at 10:29. Reason: 42 events clarification
      My Computers


  4. Posts : 11,384
    Windows 10 Home x64 Version 21H2 Build 19044.1706
       #4

    Paul,

    The Custom view definition I posted will show you all the sleep & hibernate transitions without lots of other rubbish in between.

    You are right. Whilst the Custom view definition I posted is correct, I failed to write the full sources correctly in my para 2.2
    Log - System
    Source - Power troubleshooter, Kernel-Power
    Event IDs - 1, 42, 131
    The Custom view will display a lot more info than the list you posted.

    I suggest you compare the Event viewer Custom view records of sleep & wake with the times when you closed the lid. That will prove, hopefully, that the computer is doing what you have told it to do.

    The battery report certainly indicates that your battery is in very good condition and its "Previous day" results back that up.
    - My own 17" laptop loses about 1-2% of battery charge every hour during sleep.

    Denis
      My Computer


  5. Posts : 97
    10pro 20H2 19042.1237
    Thread Starter
       #5

    Thank you Try3.

    Your custom view in Notepad++ went beyond my pay-grade as I dont know how to implement it.
    But I have looked at the events I posted in that list and checked again ... sorted by date/time and there seem to be no events at all between 10:49:44 and 16:06:25
    But I think you have spotted the issue with usb power so I will say thank you again and bale out for today to do the bios checks for usb power.
    Help appreciated.
    Paul
      My Computers


  6. Posts : 11,384
    Windows 10 Home x64 Version 21H2 Build 19044.1706
       #6

    Pavl said:
    Your custom view in Notepad++ went beyond my pay-grade as I dont know how to implement it.
    Paul,

    Note that reading Custom view definitions in any text editor is the start of the road to bedlam.

    Just for training purposes / future reference then -
    Unzip the Custom definition I posted,
    open Event viewer,
    on the right-hand side, click on Import Custom view then select the unzipped file,
    it will ask you to give it a name - you can call it whatever you want, I call this one Power - Sleep-Hibernate transitions.

    You'll then see the Custom view in the top set of entries in the left side of Event viewer. It shows you a lot more information than that list & is easier to comprehend because it is not full of entries about other topics.
    Sleep states and power drain 1909 build-event-viewer-custom-views.png

    Examples - EventID 1 - wake - General tab
    Sleep states and power drain 1909 build-power-sleep-hibernate-transitions-1.png

    Examples - EventID 1 - wake - Details tab
    Sleep states and power drain 1909 build-power-sleep-hibernate-transitions-1-detals-tab.png
    If those circled Hiber* entries are 0 then the wake has been from sleep
    If those circled Hiber* entries are greater than 0 then the wake has been from hibernation


    Examples - EventID 42 - sleep
    Sleep states and power drain 1909 build-power-sleep-hibernate-transitions-42.png

    Examples - EventID 131 - provides a count of the number of wakes since the last reboot [not useful very often but it can help in interpreting strange situations]
    Sleep states and power drain 1909 build-power-sleep-hibernate-transitions-131.png



    All the best,
    Denis
      My Computer


  7. Posts : 97
    10pro 20H2 19042.1237
    Thread Starter
       #7

    Thank you Try3.
    xml ... scary.
    But did as your guidance and it looks like the thing never went into sleep.
    Compared to previous days and could see the entering sleep state ... but not today.
    Will look if the stand I have this thing on is keeping the lid partially open.
    Before blaming the electronics and every part of the engine when your car wont start first check for fuel !
    Thanks again
    Paul
      My Computers


  8. Posts : 11,384
    Windows 10 Home x64 Version 21H2 Build 19044.1706
       #8

    Pavl said:
    xml ... scary.
    Paul,

    Not if you never look inside them.

    Task scheduler task definitions are also saved in xml format. They are not as bad as Event viewer ones but can still be awkward to read.

    Denis
      My Computer


 

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