Surface Pro 4 battery drain while OFF

Anonymous
2017-07-05T14:02:24+00:00

I have a HUGE battery drain while power off (not hibernating)  at least 5-10 percent per day.   I windows updates done.   I used to think it was because of the keyboard being attached. but I have switched to a Brydge Keyboard.  Does anyone else have this issue or know how to fix?

Thanks!

Surface | Surface Pro | Power and battery

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Anonymous
2017-08-04T04:59:28+00:00

Thanks Victor_S

Another solution I've found is to shut down the computer the old way - regular shutdown instead of hybrid shutdown.

You can use this shortcut:

C:\Windows\System32\shutdown.exe /s /t 3 /c "Full Shutdown"

  • shutdown.exe can execute the various sleed/hibernate commands, including the regular shutdown.
  • /s means "shutdown". If we shutdown the normal way, it is a hybrid shutdown (/hybrid)
  • /t 3 means after 3 seconds. If you skip this it's 30 seconds by default.
  • /c "Full shutdown" is a simple comment that will appear in various places as the reason for your shutdown.

Keep in mind it takes a little longer to shutdown this way, and it takes a little longer to start afterwards, but I think the computer doesn't keep some systems active, thus you should see almost no battery drain, even for prolonged times.

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Anonymous
2017-07-05T14:59:17+00:00

That is a good question because the screen will be off.  Before shutting down and all programs are closed, you can do a CTRL+ALT+DEL and select the task manager and look at the processes that are still running at that moment and you may find 'something' but doubtful.

The power sub-system could also have a defect causing that as well and not actually shutting off the machine when it is supposed to be off.

The task manager may give you a clue when all programs are shut down.  If you can't find anything listed, it is possible you may need to contact customer support to get the machine swapped out.

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  1. Anonymous
    2018-02-06T17:20:19+00:00

    Two questions, Jeff, what does "battery changed" mean in your battery log and how do you turn off Modern Standby?

    I assume you are all talking to Microsoft support...  What are they telling you?

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  2. Anonymous
    2018-02-06T16:39:34+00:00

    As an experiment, to try what someone else in the thread earlier tried, I used up the charge on my SP4 to the point where it was down to 4%.  Then from there, I attached the power supply and charged the SP4 back up to as far as 97%.  Then I did a full shutdown.  Again, I had already disabled modern standby (partly because of not wanting the feature and partly because of troubleshooting this issue of the battery discharging while the SP4 is off).  When I then powered back on the SP4 nearly 16 1/2 hours later, the charge was at 91% (down 6%, even though the SP4 was completely off for almost 16 1/2 hours).

    In case one wants to look at the logs, I have shared the battery report and sleepstudy report files at the following links...

    http://www.mediafire.com/file/3ek8736yh7ajx4j/battery-report.html

    http://www.mediafire.com/file/veqprvekn8rnb5c/sleepstudy-report.html

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  3. Anonymous
    2018-02-05T23:27:28+00:00

    I was thinking, since my battery does not drain while in hibernation, maybe a compromise.

    Mike, set you system up normally and do not try to shut it down.  Then set the connected standby or disconnected standby and set it to hibernate after 60 minutes when on battery.  If you system is draining when shutdown, it should also drain that same amount during hibernation.

    When you are ready, let the system sit on battery until the display turns off.  Since it will be in Modern Standby, let it sit for several hours or overnight. 

    After the period, wake the system up with the space bar or pen or possibly power button.  If it is in hibernation, it will probably require the power button to wake it.  Then do a Sleep Study we can see or place it on your OneDrive so we can download it.

    Since I have done so much testing on this situation, I should be able to see for sure what it is doing.  If we see the system "dozed to hibernate" and still see a battery drain after that time while in hibernation, then something is draining the battery.

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