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Windows 7: Strange battery issues with fairly old Windows 7

21 Sep 2011   #1
x800

Win 7 Home Premium 64 bit
 
 
Strange battery issues with fairly old Windows 7

hi everyone,

today i started experiencing some very bizarre occurrences with my battery and the windows 7 battery icon
1. on bootup, instead of the usual battery icon, it was crossed out, saying "there is a problem with your battery, so your computer might shut down suddenly"
2. rebooting did not solve the problem
3. casting about the internet, i found that updating your bios could help. getting the latest files from asus, this did not solve the problem
4. i decided to drain the battery a little and then recharge it, to see if i could get anything
at this point the percentage remaining began to behave weirdly
the first thing i realised was that the battery was being drained at a ridiculous rate, on the order of 1% every half minute. This was on power saver and verified idle CPU and hard disk. I recognise that old batteries do begin to wear down and have reduced battery life, but given that only a month ago i was able to squeeze 6 hours out of a full battery I find less than an hour now totally ludicrous
Upon plugging in, the percentage stabilised at 79% plugged in, not charging
the battery charge light on the laptop was green, indicating full charge
i decided to repeat. The % once again fell very sharply. This time when i plugged in power the indicator turned red (charging), but the windows percentage jumped from 75% to 85% (or similar)
this continued to occur with subsequent tests, the % fluctuating wildly and the indicator light the only thing that i recognise as behaving normally
throughout this the error message of course did not go away

a system restore did not work
I did a energy report; the only error that seemed relevant was:
Battery:Last Full Charge (%)
The battery stored less than 40% of the Designed Capacity the last time the battery was fully charged.
Battery IDASUSTekK72J-44
Design Capacity48400
Last Full Charge15345
Last Full Charge (%)31
Platform Power Management Capabilities:ACPI _PSD Object Failed Validation
There is a problem with the definition of the ACPI _PSD object on this computer. Installing the latest system firmware (BIOS) may resolve this issue.
Group0Index0


Platform Power Management Capabilities:ACPI _PSD Object Failed Validation
There is a problem with the definition of the ACPI _PSD object on this computer. Installing the latest system firmware (BIOS) may resolve this issue.
Group0Index1


Platform Power Management Capabilities:ACPI _PSD Object Failed Validation
There is a problem with the definition of the ACPI _PSD object on this computer. Installing the latest system firmware (BIOS) may resolve this issue.
Group0Index2


Platform Power Management Capabilities:ACPI _PSD Object Failed Validation
There is a problem with the definition of the ACPI _PSD object on this computer. Installing the latest system firmware (BIOS) may resolve this issue.
Group0Index3



system specs:
Win 7 Home Premium 64 bit SP1
Asus notebook K72F series
intel i5
4GB RAM

This error has never occurred before
Any help would be greatly appreciated


My System SpecsSystem Spec
.

21 Sep 2011   #2
x800

Win 7 Home Premium 64 bit
 
 

forgot to add: laptop is a little over a year old, i believe
My System SpecsSystem Spec
21 Sep 2011   #3
x800

Win 7 Home Premium 64 bit
 
 

I've just tried unplugging and replugging power once more

it fell from 100% fully charged to 86% plugged in, not charging
My System SpecsSystem Spec
.


22 Sep 2011   #4
x800

Win 7 Home Premium 64 bit
 
 

sorry for reposting again but the error has just decided to clear itself
i was simply working normally when it just went. no information, no nothing. helpful microsoft

apologies for the wild goose chase
My System SpecsSystem Spec
22 Sep 2011   #5
logicearth

Windows 8.1 Pro (x64)
 
 

Quote   Quote: Originally Posted by x800 View Post
no information, no nothing. helpful microsoft
You mean, helpful battery/hardware. Windows only reports what the hardware tells it. Which is out of Microsoft's hands. Blame should go where it belongs.
My System SpecsSystem Spec
Reply

 Strange battery issues with fairly old Windows 7




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