Broken I/O Board Power Cable

I think I broke the Power Cable to my I/O Board.

I purchased a new Display Assembly from here and I replaced my old one. I followed the instructions as best I could. And I got a little confused when this part of the instructions came.

**Step 13 — Logic Board ¶

Disconnect the I/O board by pulling the power cable away from its socket on the logic board.

Pull the cable parallel to the face of the logic board toward the front edge of the Air.**

The piece where the power cable inserts kinda just lifted off the Board. :(

Please someone help me. I don't know what to do.

I don't know if this is relevant, but my sound stopped working too. The screen works great. My Air seems to work fine except for the sound. When I press the volume button, the icons appear, but no sound comes out. I tried Earphones but those wont work anymore either.

My Mac eventually stopped turning on. I suspect the battery died because it would not charge anymore. I have provided some photos in order to better explain my problem since i am not very familiar with the correct terminology for mac technology.

(Beginning of repair)

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(What should've happened)

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(What actually happened)

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I Guess my question is...

Is there a way I can solder those five points back to the motherboard? I really want my computer back and I'm really sad. Please help!

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1 Answer

Chosen Solution

I think you'll be alright here once you thread the pins back into the header plate (no soldering required here).

It looks like the header plate was not anchored well to the logic board or you pulled on it in stead of the cable connector. So when you pulled you pulled the header with the cable connector part exposing the pins of the logic board connector (still attached to the logic bd).

First step here is make sure your pins aren't damaged or bent. Then remove the cable connector from the header and carefully thread the header back on. Once you get it back on check your pins are fitted in correctly then dab a little glue on the header on the sides and the logic board so it doesn't come off again. You don't want the glue to get into the connector it's self and you don't want to use too much either!

Once you get this far let us know and we'll tackle the other issues.

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I actually think I broke the pins.... the cable connector and header remained stable and had no trouble staying connected to the logic board until i pulled the header off. Now they lift up off of the mother board as if the pins were the only things holding them down.


Did any pull out of the logic board? They may have bent a little that still should be OK. If they are broken or just about to fall off then you'll need to get your logic board repaired by someone with the skills and equipment to do SMT soldering. Bummer ;-{


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