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MacBook doesn't take net power anymore

Hi guys,

My macbook had a problem. With the net power connected, the lights on the magsafe adapter went from green to off. So it was power for like 15 seconds and the it stopped for a couple of seconds and then continued loading again. This in a circle. Now some weeks further, the macbook stopped getting any contact from the loader. So if i plug my magsafe adapter in the macbook, no color will popup, and it doesnt load. I replaced the magsafe DC in. with the guide i found here. But still the same problem.. it doenst recognize the power adapter and so i can't charge my macbook... the adapter works with other macbooks.. please help.

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There are three possible faults since you've eliminated the charger as the problem.

  1. Either the reassembly was incomplete,
  2. the battery needs replacing or.
  3. you still have a component problem.

Go over all your reassembly connections once more (many times problems stem from connectors that "appeared" or "seemed" good but were lose, incomplete or wrong)- ensure that the DC in board replacement it was tested and working before you installed it. You might ask for a replacement DC in board from the vendor.

If possible check the battery in an external charger or another machine.

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3 Comments:

Machead3,

Thanks a lot for you response.

1. Either the reassembly was incomplete,

I went over all the connection and try'd reassembling everything. But it made no difference.

2. the battery needs replacing or.

I can't test this, as i don't have another battery. I would need to buy one, but if thats not the problem then i wasted a lot of money.

3. you still have a component problem.

The DC-board worked fine before in another system. I bought it second hand.

I really want to fix it. Is it a big change that the battery is dead? i tested with coconut battery and it told me that everything was fine.

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How many cycles, or, how old (is it the OEM) is your battery?Batteries don't last forever more than 300 cycles on an OEM battery will only last about 80% of new when charged to 100%. That model should boot without a battery present. . . that it doesn't points back to either charger or DC in board. Check the output of the charger with a volt meter.

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Coconut battery sais it has 480 battery cycles:

https://www.dropbox.com/s/rb019ewvk6nuam...

When i just try'd to charge my Macbook, the orange light on the magsafe adapter turned on and went to green. The Macbook war charging. When i booted the laptop, the light went off and i could not get it to charge again.

I also disconnected the battery cable, plugging the lightning cable in and try'd to boot. But that doensn't work. No light will popup from the lightning cable. I am afraid it might be a logic board problem?

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