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  1. #1

    Jay Ray's Avatar
    Member Since
    Oct 24, 2006
    Location
    New York City
    Posts
    91
    Specs:
    imac 2GHz Intel Core 2 Duo, 1GM ram, 128mb vram, Macbook, iPhone 3G 8g
    Unhappy What does it mean when a macbook turns off when you unplug the charger?
    So, this happened with my ibook too.

    Recently, when I unplug the charging cable for my macbook, it turns off, so I have to put the charger in, and turn it on. It is on full battery, so thats not the problem.

    I'm really confused/annoyed. Why is this happening? What can I do to fix it?

    Thanks,

    ~Jay

  2. #2


    Member Since
    Aug 20, 2005
    Location
    Redlands, CA
    Posts
    739
    Specs:
    Macbook Pro 15" 2ghz/2GB/250gb/SD - White Macbook 2.16ghz/2.5GB/250GB/SD
    Well the obvious would be the battery. But you said you checked that... Maybe the battery is not seated correctly? Are you 100% certain the battery is good? Will the Macbook turn on if the charger is not connected to it?

  3. #3

    osxx's Avatar
    Member Since
    Jan 19, 2008
    Location
    houston texas
    Posts
    4,695
    Specs:
    09 MBP 8GB ram 500GB HD OS 10.9 32B iPad 4 32GB iPhone 5 iOs7 2TB TC Apple TV3
    I bet its a bad battery mine went from full to dead in 20 min before APPLE CARE replaced it.

  4. #4

    Jay Ray's Avatar
    Member Since
    Oct 24, 2006
    Location
    New York City
    Posts
    91
    Specs:
    imac 2GHz Intel Core 2 Duo, 1GM ram, 128mb vram, Macbook, iPhone 3G 8g
    Okay, I just checked, and actually the battery is at 0%.

    So, why might that be happening?

    Thanks!

  5. #5


    Member Since
    Aug 20, 2005
    Location
    Redlands, CA
    Posts
    739
    Specs:
    Macbook Pro 15" 2ghz/2GB/250gb/SD - White Macbook 2.16ghz/2.5GB/250GB/SD
    Sounds like a dead battery. Download Coconut Battery and open it, you will get a good idea of the current status of your battery.

    Edit: Might want to check out Battery Update 1.2 from Apples Support page.

  6. #6


    Member Since
    Jul 30, 2008
    Posts
    41
    Specs:
    Macbook Pro 2.0 I7, Macbook Pro 2.4Ghz 15, Macbook 2.16Ghz, Imac 3.2GHz 21.5, Macbook Pro 13 2.23Ghz
    Quote Originally Posted by JGruber View Post
    Sounds like a dead battery. Download Coconut Battery and open it, you will get a good idea of the current status of your battery.

    Edit: Might want to check out Battery Update 1.2 from Apples Support page.
    If coconut battery crashes which it might it could be an indicator of a bad battery. Apple just replaced mine which was bad. Now coconut battery works just fine so does my macbook.
    Shad
    Help is on the way a government team of experts Is a'rushin' to your aid... -- Stephen Stills
    08 MB, 08 MBP, 010 MBP, 010 Imac, 011 MBP

  7. #7


    Member Since
    Aug 20, 2005
    Location
    Redlands, CA
    Posts
    739
    Specs:
    Macbook Pro 15" 2ghz/2GB/250gb/SD - White Macbook 2.16ghz/2.5GB/250GB/SD
    I didn't know Coconut Battery could crash if the battery is bad, that's a handy piece of info right there.

  8. #8

    terrible1one3's Avatar
    Member Since
    Oct 05, 2008
    Location
    Raleigh, NC
    Posts
    80
    Specs:
    Alumibook 2.4, 4GB | 1TB Time Capsule | 30GB Video iPod
    I don't know anything about the batteries in macbooks.

    But I know a battery in a motorcycle can have a "blown cell" which will cause the battery to not work at all. It can happen randomly and suddenly and the battery physically looks normal.

    I would assume this could happen in other batteries.

    This might explain why your battery reads 0% and doesn't function.

  9. #9


    Member Since
    Aug 20, 2005
    Location
    Redlands, CA
    Posts
    739
    Specs:
    Macbook Pro 15" 2ghz/2GB/250gb/SD - White Macbook 2.16ghz/2.5GB/250GB/SD
    Well with the Macbook batteries, they are just standard Li-Ion Cells, in a 'large AA' size, and run in Parallel, with a 11.1v or 14.8v power usage. Which will yield a higher capacity, I know my Macbook's original capacity is 4500ish, and now at 2800ish.

    If you happen to have 1 cell bad, it will just lower the over all mAh capacity, and not necessarily cause the entire battery to be dead.

  10. #10


    Member Since
    Mar 10, 2012
    Posts
    1
    Angry PLZ HELP!!!! my battery
    ok so i installed coconut battery and it said i had 49% battery and 86% life. I unplug my charger and it crashes. The date gets messed up and so does the interrnet so plz help

  11. #11


    Member Since
    Mar 06, 2008
    Posts
    19
    if the battery was at 0% after you checked then it must have not been receiving a charge and all the incoming power was going directly to your apple without a reserve going to charge your battery. Next time you plug it in when its at 0% battery, give it a few minutes to develop a reserve and that won't happen.

    But something like this has happened to me with a near full battery and i chalked it up to a fluke accident.

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