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Apple MacBook Air (M2, M3 and M4) troubleshooting

Apple MacBook Air (M2, M3 and M4) (2022 M2, 2024 M3 and 2025 M4 in 13-inch and 15-inch sizes): battery drain reports on macOS Tahoe; display flicker and external screens; wi-Fi drops, and a fix for each symptom below.

  • Battery drain reports on macOS Tahoe
    Apple Community and MacRumors threads describe M4 MacBook Airs losing about 1 percent every few minutes, even 20 percent an hour, after macOS Tahoe updates, from machines that used to give 14 or 15 hours. Activity Monitor's Energy tab shows whether one process is the cause.
Won't startBattery drainNot chargingWi-FiBluetoothSlow

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Model numbers and patterns
2022 M2, 2024 M3 and 2025 M4 in 13-inch and 15-inch sizes

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Manufacturer support for this product line. Apple Support — Apple product support. Official Apple model, operating-system, repair, connection and settings guidance.

Also read for this model. Apple Community — MacBook Air M4 severe battery drain; MacRumors Forums — M4 MacBook Air Display Flicker; MacRumors Forums — Battery in MacBook Air M4 draining extremely fast.

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Questions that only have an answer for the Apple MacBook Air (M2, M3 and M4)

Why is my MacBook Air M4 battery draining so fast?+

Owners report steep drain after macOS Tahoe updates. Check Activity Monitor's Energy tab for a runaway process, unplug any external display to test, and install the newest macOS.