Strange SP2 Full charge Capacity... checked by pwercfg

Discussion in 'Microsoft Surface Pro 2' started by manfromwest, Jan 28, 2014.

  1. manfromwest

    manfromwest New Member

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    Since I failed to install Dec 2013 update, My sp2 works only for around 3 hours.
    100% charge and count says 2 hour XXmin left. And 100% for more than 2 Hr...

    Now I found reason why... Not the sollution

    This is the powercfg screen capture right after (volume +key with power button) boot
    Check Full Charge Capacity

    battery report3.jpg

    This is the next charging captrue

    battery report2.jpg

    Everytime I restart Full charge capacity is chaging....

    It seems 40,404mWh is normal charging cpacity.
    but most of time Full charge capacity is set to 20,000 ~ 30,000

    Is this Firmware problem? or defect SP2...
    I am tired to ask MS supprt they know nothing about serious thing.
     

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    Last edited: Jan 28, 2014
  2. the_new_normal

    the_new_normal Member

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    Post 841 on this thread, top of page 86 has a possible solution you might like to try:

    answers.microsoft.com/en-us/surface/forum/surfpro2-surfupdate/system-firmware-update-121013-fails-to-install/b2163f4b-9019-4508-a931-45c44fbbeb9c?page=85

    QUOTE:
    I had a tech help me yesterday to reset my battery. My battery life seems to be better.
    No guarantees but worth a try:



    Make sure to Plug your surface in-must be running on ac power

    Open device manager and locate batteries

    Click on Microsoft ACPI-compliant control method battery

    Right click and select uninstall

    restart the surface

    This is supposed to mimic installation of a new battery to the surface firmware
     
    1 person likes this.
  3. drolem

    drolem Active Member

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    Hard reset resets everything, and not always to a good value. Stop using it unless you really have to, or do it when the battery is fully charged.
     
  4. manfromwest

    manfromwest New Member

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    let me try... thanks!!
     

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