surface book battery drain while shut down

Anonymous
2015-12-09T16:09:58+00:00

Split from this thread.

I have been noticing that when I shutdown my surface book, when I power it on the next day the battery has drained some. If I leave it off for a couple of days it will drain down from 100% to around 85% or lower.

I disabled fast startup... and then just decided to disable hibernation altogether. That didn't help.

I have windows hello disabled, but that shouldn't matter anyway since I'm shutting it down, not sleeping.

Some searching and I found a general windows 10 issue with the "Intel Management Engine Interface" driver. Some say that v11 can cause this issue. One solution that I have seen suggested is to go into device manager and in the power management tab for this device uncheck the option that allows windows to power it down to save power. I tried that and it didn't help.

Others have suggested downgrading the driver from v11 to v9 or v10, but I don't know where to get v9 or v10 of this driver that is compatible with the surface book. Anyone know if one of the downloads on Intel's site would be compatible?

So, has anyone else noticed this issue and know of a fix?

Surface | Surface Book | Power and battery

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  2. Anonymous
    2016-03-21T05:18:10+00:00

    Turning off fastboot doesn't help.  I "shut down" for about 5 hours and the battery drained about 3%  I will try to hibernate tonight and see if there are differences.  I will also try the uninstall battery driver and restart method.

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  3. Anonymous
    2016-03-21T14:06:44+00:00

    Since the February 17th updates, the battery drain while shutdown is significantly less, but inconsistent.  After about 12 hours being shutdown, usually both batteries are at 100%.  Sometimes on battery is at 97%, sometimes the other.  Once or twice both have had a 1-3% drain.  Since I don't use sleep or hibernate, that's not an issue for me.  I can live with this, but personally I believe there shouldn't be any drain at all, even after a week or more.

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  4. Anonymous
    2016-03-23T00:55:15+00:00

    So I tried hibernating this morning.  It has been 8 hours and the battery only dropped by 1%.  What was interesting was when I hibernated, the type cover still had backlight when I touched the trackpad. Maybe I didn't wait long enough.  But what I did was unhinged the type cover and rehinged it.  Then the backlight was not activated anymore.  I will try that again tonight and see if that helps.  If it does, then I will try to do the same with shutdown.

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  5. Anonymous
    2016-03-24T04:09:32+00:00

    so hibernate is definitely performing better than shut down.  I hibernated for 12 hours and lost 1%.  I will try to shut down tonight and see what it is like again.

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