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In June 2017 Apple updated its 13" MacBook Air with a newer Broadwell Intel Core i5 processor, resulting in slightly increased performance and battery life.

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I/O Board Connector cable connector gold frame

The gold frame around the I/O board cable connector is a bit damaged, is this important or not? The unit seems to be working fine as it is...... I took it off and it has no noticeable effect as the unit is also working fine without it. Curious to know for what purpose does this serve?

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The metal ring is part of the EMI protection so the signals don’t cross pollenate noise to the neighboring lines. The concept is similar to how a Faraday Cage works.

I would leave it be as the tarnish on it won’t affect it, but that’s assuming the contacts are not tarnished or damaged. Besides, removing it will likely destroy the connector interface.

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I already removed it in case the lose part made a contact to something it shouldn't.... seems to be causing no apparent issues. I will likely get another replacement in the near future anyway.... this is for the same MBA which has the engraving from another post I made earlier.

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