- Compatible With: MacBook Air 13.6-inch (2022, Model A2681) with Apple M2 chip (all colors: Silver, Space Gray, Starlight, Midnight).
- Apple Part Number: 821-04129-02 (exact OEM service part).
- Function: Contains the Hall effect sensor that detects the magnet in the MacBook Air’s display lid. This allows macOS to:
- Sleep the system when the lid is closed
- Wake instantly when opened
- Prevent false sleep/wake events during use
- Location: Mounted near the right side of the keyboard, adjacent to the battery and logic board.
- Common Failure Symptoms:
- MacBook doesn’t sleep when lid is closed
- MacBook wakes randomly in a bag
- “Lid closed” not recognized in macOS
- Requires manual sleep or power button use
- Part Type: Flex cable with integrated Hall sensor—not just a cable, but a calibrated magnetic sensor module.
- Installation Note: Requires full bottom case removal and careful disconnection of the battery. The sensor is adhered near the I/O area—do not bend or puncture. Recommended for experienced technicians.
Sleep Sensor (Hall Effect) Flex Cable for MacBook Air 13.6″ (Model A2681, 2022, M2)
$ 30.00 ---ONLY---
Genuine Apple sleep/wake sensor flex cable (Hall effect sensor) for MacBook Air 13.6″ (Model A2681, 2022, M2)—ensures automatic display sleep when the lid is closed and wake-on-open functionality. OEM part number 821-04129-02.
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