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Replacement internal I/O logic board module for MacBook Air 13-Inch (A3240).

MacBook Air 13-inch A3240 IO Board (M4, 2025)

The MacBook Air 13-Inch A3240 IO Board directly changes a damaged audio jack or secondary data port on the left side of the laptop case. Installing this specific internal component corrects broken sound output and restores a clear connection for wired accessories.

SKU: A3240-IOB

Brand: Apple

Primary Category: 2025 MacBook Air A3240

Shipping: 5 - 9 days

Physical Condition

Clear

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Product Specifications

General

SKU

A3240-IOB

Brand

Apple

Year

2025

Material

Combination of Materials

Model Number

A3240

Additional Details

Compatibility

MacBook Air 13-inch (M4, 2025)
Model: A3240

NOTE: Please verify your device's model number to ensure that this part is compatible.

Whats in the box

IO Board HEIC

Description

The input/output component in a laptop handles audio and secondary data connections. If the computer shows missing sound from wired headphones, a loose audio jack, or an unresponsive side port, the MacBook Air 13″ A3240 IO Board may be faulty. This internal spare piece supplies a physical hardware solution to swap out the failing component. Once installed, it reconnects the internal circuits and brings normal audio port function back to the device.

Key Benefits:

Connects wired headphones to the main logic board for clear audio output.
Controls data transfer speeds for the secondary ports on the side.
Swaps out a worn or physically broken headphone jack.
Fits directly into the left side of the computer casing.
Corrects issues with missing sound when using physical audio plugs.

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MacBook Air 13-inch A3240 IO Board (M4, 2025)