Sp3 suddenly draining battery overnight

Discussion in 'Microsoft Surface Pro 3' started by DocACE911, Nov 16, 2014.

  1. DocACE911

    DocACE911 Member

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    I7/256

    Had this working great since August. Suddenly last week after patxh tuesday overnight (yes it seems off with the type cover) the batter goes to zero.

    Any trouble shooting steps? Is this sleep not working right? When I close the type cover it seems to go off. Even tried clicking the power button to force sleep
     
  2. leeshor

    leeshor Well-Known Member

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    Welcome to the forum

    Since you didn't say you tried, have you done a reboot?
     
  3. DocACE911

    DocACE911 Member

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    Yes, I have rebooted. I have shutdown. All updates present. Checked task manager and no background task is running

    Last night: shutdown
    Charged to full (well 5 hours of charge)
    Booted
    Full battery
    Sleep

    In morning had battery warning indicator (so 10 hours)
     
  4. Liam2349

    Liam2349 Active Member

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    I'm not sure what causes this. You can see exactly how much is draining if you run CMD as admin and type "powercfg /sleepstudy". This will save to system32, and you will have to move it somewhere else to open it. Alternatively, type something like "cd c:\users\USERNAME" and then run the sleepstudy, and it will save to this directory instead of the default system32.

    Mine often uses what I would call an abnormal amount of power in sleep, and sometimes it behaves. I find that shutting it down every night helps most of the time, but I haven't found a way to properly resolve this issue.
     
  5. Dblkk

    Dblkk Member

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    Ive had same thing twice now. And it was all a driver update that needed to reboot. Go into control panel, then windows updates, then check installed updates. If there needs to be a reboot, then swipe in from right, hit power button from there, and there should be a update and restart. Sometimes the update and restart doesn't show up any other way.

    If none of that works or is the problem. Download the wireless drivers and save to your device (don't install). Then fully uninstall the wireless drivers. restart. Then install the previously downloaded wireless drivers.

    Between those two, its been 100% effective for me.
     
  6. nipponham

    nipponham Active Member

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    Do the sleep study that Liam recommended to find the source of the problem and do a battery analysis as well to make sure that there are no errors or warnings issued.
     
  7. DocACE911

    DocACE911 Member

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    Will do... How do you SOA battery analysis??
     
  8. nipponham

    nipponham Active Member

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    What is SOA?
     

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