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  1. #1


    Member Since
    Apr 02, 2009
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    20
    Unrecognized Battery?
    So, a few days ago, my MacBook (~2 yr old PlastiBook 10.4) randomly stopped recognizing my battery. When I opened it up from (what I thought was) sleep mode, it wouldn't start. I had to plug it in to get it to fire up, the charger was displaying a green light, and the battery indicator read "no batteries found". It will run (albeit a bit tempermentally) when plugged in, but its role is now that of a semi-portable desktop.

    My battery was fine, however... It's the factory battery (about 2 years old now), but I've always taken care of it. Its charging cycles were normal, and still held the normal 3-4 hours of life. It will no longer give me any lights or response to a capacity check by pressing the little button, though.

    I've tried removing the battery for a couple of days, rebooting the computer with and without the battery... just about everything I can think of short of a complete replacement. Has anyone ever had this problem? Any input would be appreciated, thanks!

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
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    47,081
    Specs:
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, El Capitan
    How many charge - recharge cycles do you have on the battery? A battery that's two years old could have several hundred or more cycles of charging discharging or very little. A lot depends on how you use your battery as to how long it will last. However, it does sound like your battery has died and that you need a new one.

    Regards.

  3. #3


    Member Since
    Apr 02, 2009
    Posts
    20
    I would place a vague guess at around 500 cycles, but the battery hasn't been displaying any signs of poor health. Given, a good battery will run like a champ until the day it dies...

    Well, I work in retail electronics, so a battery won't be a huge expense... but I just wanted to make sure it wasn't a problem that could be fixed easily.

    Thanks!

  4. #4

    pigoo3's Avatar
    Member Since
    May 20, 2008
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    U.S.
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    33,283
    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.8.5
    Quote Originally Posted by SimonJester View Post
    I would place a vague guess at around 500 cycles, but the battery hasn't been displaying any signs of poor health. Given, a good battery will run like a champ until the day it dies...

    Well, I work in retail electronics, so a battery won't be a huge expense... but I just wanted to make sure it wasn't a problem that could be fixed easily.

    Thanks!
    500 cycles is quite a bit...but since you said that it used to get 3-4 hours on a full charge (I'm assuming that this was relatively recently)...that would sort of confuse things.

    There is a program called Coconut Battery that can give you a bit more info on your battery (if you're not using it already):

    coconut-flavour.com - [coconutBattery 2.6.5]

    Although you said that your computer doesn't seem to be recognizing the battery, hopefully Coconut Battery will see it.

    Good luck,

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  5. #5

    Collin Bl's Avatar
    Member Since
    Apr 07, 2009
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    Napier NZ
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    27 iMac i5, MBP 13 & iMac 20, 2TB dual TC, AppleTV, iPh4S
    With charge issues you could always try this might give u a few more cycles.

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