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Mid 2010 Model A1278 / 2.4 or 2.66 GHz Core 2 Duo processor

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Short-circuited the magsafe adapter, is my logic board still OK?

The coating of my magsafe cable was damaged and sometimes it had a loose contact. So I decided to open the magsafe adapter and fix the contacts. Now it seems like I have short-circuited my macbook.

I bought a new magsafe adapter, but my macbook won't charge or run on power anymore. I tried a few other magsafe adapter but it didn't charge or turn on again.

I did some research about what could be damaged and I think it could either be the DC-In board or the logic board. Just after my macbook got damaged I could still use it on battery without any problems, I just couldn't charge it or put it on power. So I was wondering if the logic board could really be damaged if everything else was working fine.

I'm happy about any suggestions what to do next.

Answered! View the answer I have this problem too

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My Mac had no power going to it.So got new adapter still no power even new battery as mine my Macbook is a late 2008 model still no power.In the end i got a new DC board and every thing come back working as it shod.So it could maybe just be the same for you.

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Do you know why your DC board stopped working?


So it was just the the DC-Board.Thats good news you fixed it


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Replaced the DC-In Board and everything is working normal again.

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Lars will be eternally grateful.
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