win10 battery drained so fast unexpectedly, Dell Inspiron 15-5559


http://wp.me/ph3BR-1GA

 

this is really pain in the ass and problem encountered.

what had happened, PC problem or Win10 problem ?! god knows.

This PC went to sleep but auto wake up and so report the battery is so low but will not boot, repeatable.

or pushed power button then over night, the battery is completely drained, also no boot, occasional & repeatable.

shutdown the machine but no into sleep mode, the battery is safe without overnight drained issue, but still some leakage about 10% overnight. The battery report generation mechanism has wrong, or really the PC hardware fault, or Win10 bug ?! you tell.

We are waiting for problem solving & solution, but who care this at Microsoft or at Dell, at least need someone who is really capable to understand such circumstance, otherwise, so many calls for customer care, it does not help at all.

This is really the case a notebook no longer mobile, it must stay at power plug and never wanted goes to sleep mode, or perhaps a more fancy term, hibernation mode.

waiting…….

perhaps a very single case really ?!

 

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This is really a problem of win10 with this PC to an ordinary user, they bought and uses as daily basis but who is incapable to address such detail until battery drained, and panic on boot failure & recovery story, but so far Dell has no any recommendation or to advise solution, perhaps they are hardware seller-only and will not be looking at such hard-soft mixture issue to a solution actively. so pray and works on the own, and workaround is here seems to work at the moment.

How to do that,

1) turn OFF or de-select fast startup boot mode;
2) manually enable hibernate mode;
3) change power setting to enforce PC shutdown, at monitor folding or a push to power button;

power setting_workaround

These would help user to really shutdown their laptop but to forgot habit & user friendly experience with win7/win8. It also helping the user is no longer be able to put their laptop in such a funny state without notifying battery drained.

Registry key,

Win10 Fast Startup is disabled, a workaround

HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Power\HiberbootEnabled = 0x0000

 

Win10 Fast Startup is enabled, problematic with this PC

HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Power\HiberbootEnabled = 0x0001

 

validation done, battery power has been ceased to drain out completely over a night.power setting_workaround_result

 

 

 

turn OFF Fast Startup


REM run this bat file as administrator

@echo off

:: Created by: Shawn Brink
:: http://www.tenforums.com
:: Tutorial: http://www.tenforums.com/tutorials/4189-fast-startup-turn-off-windows-10-a.html

:: To turn off Fast Startup
REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Power" /V HiberbootEnabled /T REG_dWORD /D 0 /F

 

turn ON Fast Startup


@echo off
REM run this bat file as administrator
:: Created by: Shawn Brink
:: http://www.tenforums.com
:: Tutorial: http://www.tenforums.com/tutorials/4189-fast-startup-turn-off-windows-10-a.html

:: To enable hibernate
powercfg -h on

:: To turn on Fast Startup
REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Power" /V HiberbootEnabled /T REG_dWORD /D 1 /F

 

REF:

http://www.tenforums.com/tutorials/4189-fast-startup-turn-off-windows-10-a.html

http://en.community.dell.com/support-forums/laptop/f/3518/p/19682780/20902850?rfsh=1461382560604

http://bbs.pigoo.com/forum.php?mod=viewthread&tid=60415&page=1#pid730104

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