Mid 2006 / model number A1181 / black or white case / 1.83 or 2.0 GHz Intel Core Duo processor.

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Won't start up. Magsafe plug turns green but won't power up.

I have a black Core Duo 2.0ghz Macbook. It was working fine until last night. Left it unplugged and the battery ran down, when i plugged the connector in, it turned green(but didn't switch to yellow, so no charging) and the machine won't power up. no chime, no hard drive noises, etc. i pulled the drive and put it in an external case and it's completely fine.

i tried:

  • removing the battery and power and holding the power switch down for 5 seconds.
  • plugging it in to a spare power supply (they both light up green but don't switch to yellow)
  • trying to start up with the battery removed.

nothing works. is this is a dead logic board? i don't want to go through the hassle of swapping it out if it might be something simpler!

has anyone run into this problem?

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Well here's a weird one! I posted this question almost a full year ago. I wasn't able to get that macbook running. The brand new battery didn't do the trick, a different power supply didn't fix it, letting it sit unplugged for a few days didn't either. i eventually stuck it in a drawer with the battery out and forgot about it.

Just for the heck of it yesterday, as i was cleaning my studio, i found it at the bottom of the junk pile. i was about to toss it back in the pile when i thought. 'why not? just for fun let's plug it in'

what do you know? i stuck the old hard drive back in, inserted the (now fully drained) battery plugged it in and it started up just as good as brand new!

I can't explain it. 12 months at the bottom of a junk drawer seemed to do the trick. the battery is fully charged and working, and the computer is as good as new.

I don't know why, but i'm not complaining about a happy ending!


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Your battery may no longer take a charge and your machine may need some extra boost to get started. Does this battery have a test button?

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Thanks for the reply! That might be the problem. The battery is a replacement that's a few years old. clicking the test button i only get one blinking light. Attaching the power supply only gets me a green light, it won't switch to yellow and charge.


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John Oleary sarà eternamente grato.
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