7 Replies Latest reply: Feb 18, 2012 7:37 AM by eww
Joy Chuang Level 1 Level 1 (0 points)

I am currently on my 2nd charger and it is the "L" shape charger, It just suddenly won't charge my macbook Pro anymore. Is there something wrong with my mac or is it the charger? The first charger, i can still somewhat use it if I bend it a bit...but it's just too much of a hassle to have to hold the charger to have get my macbook pro charged. Is there something I can do other than to buy another charger?

MacBook Pro (17-inch Mid 2009), Mac OS X (10.7.3)
  • lubaum Level 1 Level 1 (25 points)

    Do you have to bend the wire to make it work? If so, you maybe just need to take a little more care of the charger...?


    While charging you should keep the charger, which gets sometimes really hot, not on the bed or something similar. It can easily overheat. Also the battery could overheat.


    Check the battery health! If it is under maybe 50% you should change battery. Battery become bad when they are in a hot environment. If then the battery demands to much current from the charger, the charger just overheats (transistors go mad).

  • Joy Chuang Level 1 Level 1 (0 points)

    The "L" shape charger does nothing whether I bend the wire or not, the "T" shape charger, which is the first charger that I got, I can bend it to get it to work but because of that I bought the "L" shape charger and it only lasted for like a year or two


    The charger is on the wooden floor so it's not overheated at all.


    Battery Health Information is

    Cycle Count: 588

    Condition: Normal
    Charge Remaining: 2199 mAh

    fully charged capacity: 10390 mAh

  • lubaum Level 1 Level 1 (25 points)

    If possible change the battery anyway. The maximum cycle is 1000 (according to Apple). From my point of view your battery still could have a problem.


    Those battery health infos are provided by the chip in the battery. Maybe this chip (controls dis-/charging, counts cycles, measures capacity...) has a damage. This could defeat the charger. Probably... :-)


    Or, you play often games which requires more power, than the ratter low power magsafe charger can deliver. This is quite easily possible and when this is the case, the charger and the battery deliver electrical power at the same time. The problem in this case is, that the only 85W from the charger are not enough to charge the battery. The charger can in this case be in the fridge, it still gets really hot... to hot maybe after some houres (when I play games, this happens as well).


    Install iStateNano (free widget), it does proviede the health in percentage calculated with the max capacity. If it shows around 50%, you really should change the battery... or sell the mac :-)

  • eww Level 9 Level 9 (52,975 points)
  • Joy Chuang Level 1 Level 1 (0 points)

    Thanks guys but I went into a retail store that also sold Apple products and i got the guy to check to see if it would charge his laptop and it wouldn't so it wasn't my laptop or my battery life. It was te charger itself being dead.


    I don't play games on my laptop I do a lot of graphic design and photography editing. I use coconut battery but I also have iStateNano as well.

  • lubaum Level 1 Level 1 (25 points)

    You may missunderstood what I wrote. The charger is dead, yes, but reaseon for it is it, what I thought we were talking about. Anyway, there is someting more that could defeat the charger: Maybe you have a unstabel powersupply in your house / flat. This would damage the integrated circuit in the charger...

  • eww Level 9 Level 9 (52,975 points)

    lubaum: The charger will shut itself down for its own protection before that happens, as the article I linked above explains.