Battery Dead?

Discussion in 'MacBook Pro' started by LuckyLuke90, Oct 16, 2011.

  1. LuckyLuke90 macrumors newbie

    Oct 16, 2011
    Hello, I'm new to this forum. But I don't have an apple store near by so I hope someone will be able to help me.

    Yesterday when plugging in an external display I touched the firewire port with the miniDisplayport connector. This caused a little spark and now my macs battery is completely dead.
    When I boot with the magsafe adapter attached everything works fine. But the menu bar icon says 'Not Charging'. In iStat Pro and in energy saver preferences it says the current load is 83%. But when I take out the magsafe adapter the mac turns of instantly.

    My question is: Could this problem be solved by changing the battery or is there something wrong with the logic board that controls which power source is used?

    I've already reseted my PRAM, NVRAM and SMC.

    Hardware Overview:

    Model Name: MacBook Pro
    Model Identifier: MacBookPro5,5
    Processor Name: Intel Core 2 Duo
    Processor Speed: 2,26 GHz
    Number of Processors: 1
    Total Number of Cores: 2
    L2 Cache: 3 MB
    Memory: 4 GB
    Bus Speed: 1,07 GHz
    Boot ROM Version: MBP55.00AC.B03
    SMC Version (system): 1.47f2
    Serial Number (system): W893757666H
    Hardware UUID: F18B4AE0-1BA6-55AD-8997-948D43A0D910
    Sudden Motion Sensor:
    State: Enabled

    Battery Information:

    Model Information:
    Serial Number: W0935098X784A
    Manufacturer: SMP
    Device Name: bq20z451
    Pack Lot Code: 0
    PCB Lot Code: 0
    Firmware Version: 3
    Hardware Revision: 2
    Cell Revision: 100
    Charge Information:
    Charge Remaining (mAh): 3485
    Fully Charged: No
    Charging: No
    Full Charge Capacity (mAh): 4188

    Health Information:
    Cycle Count: 423
    Condition: Normal
    Battery Installed: Yes
    Amperage (mA): 0
    Voltage (mV): 12032

    System Power Settings:

    AC Power:
    System Sleep Timer (Minutes): 10
    Disk Sleep Timer (Minutes): 10
    Display Sleep Timer (Minutes): 10
    Wake on AC Change: No
    Wake on Clamshell Open: Yes
    Wake on LAN: Yes
    Current Power Source: Yes
    Display Sleep Uses Dim: Yes
    PrioritizeNetworkReachabilityOverSleep: 0
    RestartAfterKernelPanic: 157680000
    Battery Power:
    System Sleep Timer (Minutes): 10
    Disk Sleep Timer (Minutes): 10
    Display Sleep Timer (Minutes): 2
    Wake on AC Change: No
    Wake on Clamshell Open: Yes
    Display Sleep Uses Dim: Yes
    Reduce Brightness: Yes
    RestartAfterKernelPanic: 157680000

    Hardware Configuration:

    UPS Installed: No

    AC Charger Information:

    Connected: Yes
    ID: 0x0100
    Wattage (W): 85
    Revision: 0x0000
    Family: 0x00ba
    Serial Number: 0x008b4037
    Charging: No
  2. Detrius macrumors 68000

    Sep 10, 2008
    Asheville, NC
    You probably shorted out the power pins for the FireWire ports and therefore fried an important part of the logic board.
  3. ahdickter macrumors 6502

    Jun 12, 2011
    Pittsburgh, Pennsylvania
    That blows. I find it odd that a spark would form, but I guess it could happen. But the previous post seems valid: you most likely shorted out a connector on the logic board. But it may only be the wire connecting the battery.
  4. abdu2s, Oct 16, 2011
    Last edited: Oct 16, 2011

    abdu2s macrumors newbie

    Oct 16, 2011
    Try opening up the back cover.

    Plug out the battery connector from the logic board and re-attach it

    Then plug out the cable next to it(to the right) and re-attach .

    This could help the computer to identify the battery


    Uploaded with
    I had to replace my mid 2009 battery on 430 load cycles,
    Those old batteries are only guaranteed to work for 500 cycles

    i'd say replace it anyway
  5. LuckyLuke90 thread starter macrumors newbie

    Oct 16, 2011
    Thank you all for your help!

    I've done what abdu2s suggested and it worked, the battery seems fine now.
    I also tested the firewire port to see if this would happen again when I purchase a new battery. But it seems to have been a one time accident :)

    Since my battery has had so many cycles I will replace it as soon as I'm not in the middle of a project and can do without a macbook for 2 weeks. (that's the time it takes the nearest service point to replace a battery!!)

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