i5/256 Surface Pro 4 overheats and battery drains while 'sleeping'

Anonymous
2015-11-04T01:55:47+00:00

Split from this thread.

My SP4 gets very hot and drains the battery very fast even though it is asleep. I found it very hot in its sleeve and down to 28% earlier today. Found it dead later in the afternoon. This is one of MANY issues this device has.

(My SP4 is not part of the insider program)

Surface | Surface Pro | Power and battery

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Anonymous
2016-02-17T23:04:09+00:00

Hi All,

We released an update on 2/17/2016 that addresses this issue.

We recommend that you install this update to keep your Surface performing its best. You can get updates now by checking Settings> Update & security> Windows Update.

To confirm the updates are installed, check Settings> Update & security> Windows Update> Advanced options> View your update history.

Thanks,

Josh

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  1. Anonymous
    2015-11-21T02:53:00+00:00

    And, who cares? No one? No? Cool. Could you at least read the 2nd post, huh? Do a debug with powercfg? No? Thanks.

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  2. Anonymous
    2015-11-21T02:51:47+00:00

    For me, as well as many others, the numbers are consistent. Around 1500 mW drain in an hour, graphics takes up 16%, CPU takes up 12%. Screenshots below of last study. Unfortunately, there isn't much detail about what is really consuming the power. I thought about running the Windows Performance Analyzer, but that's not my job. I'm hoping Microsoft can look at this and say, yea, something is wrong and we're looking into it.

    ![](http://fud.community.services.support.microsoft.com/Fud/FileDownloadHandler.ashx?fid=7c4b4aac-863d-4680-aa51-c91ac49c2dcd)

    ![](http://fud.community.services.support.microsoft.com/Fud/FileDownloadHandler.ashx?fid=775a3d9a-9fca-4792-ba32-0a02c14d8f71)

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  3. Anonymous
    2015-11-21T02:49:41+00:00

    I..

    For the SP4 owners, just disable Windows Hello, should help a lot for you: http://www.techradar.com/news/mobile-computing/laptops/surface-book-and-surface-pro-4-battery-life-woes-caused-by-windows-hello--1308020...

    That assertion is false.  As noted a few times in this forum those of us that do not have Windows Hello enabled still see the battery drain with the majority drain coming from the Intel HD Graphics and the CPU C0 time.

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  4. Anonymous
    2015-11-21T01:54:43+00:00

    I have just analyzed the drain on my Dell via powercfg, just open a cmd with admin rights, go to c:\temp for example and type in "powercfg sleepstudy" and there should be a statistics html file in c:\temp now which will tell you which processes woke up the device and took how much CPU time while in connected standby. Here is a guide:

    http://blogs.windows.com/windowsexperience/2014/06/26/sleep-study-diagnose-whats-draining-your-battery-while-the-system-sleeps/

    My statistics totally blamed Windows Photo app with 22 minutes total CPU runtime last connected standby... and several other things, a mostly broken WLAN wake mechanism, and oher stuff related to Windows. For example some of the upper programs: Cortana of course, what else...

    Nice thing is you cant totally disable Cortana and it is still totally broken for devices with connected standby and drains battery.

    A normal drain btw is like I said ~0.3-0.35% per hour, which is defined by Microsoft for devices with connected standby.

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