When a computer function works in another app, user account or port, keep the repair inside the failing context. For MacBook battery condition, first check Battery Health, cycle count and behavior on the Apple adapter under light load.
What this covers
- MacBook battery condition with this exact failure state
- Diagnosis across normal aging versus charger, workload, temperature and battery hardware
What it does not cover
Try in this order
0 of 4 completedCapture the exact failure state
ReversibleName the failing app, user account, port or peripheral and one that still works. Expected behavior: report charge and power the Mac without swelling, sudden shutdown or abnormal heat.
Isolate the component boundary
ReversibleCheck Battery Health, cycle count and behavior on the Apple adapter under light load. Swap only the app, account, cable, port or user profile while keeping the computer unchanged. Boundary to separate: normal aging versus charger, workload, temperature and battery hardware.
Correct only the proven cause
ReversibleCorrect charge settings or arrange Apple-authorized battery service. Repair the isolated app, user profile, driver binding or physical path.
Verify and stop safely
ReversibleRetest both contexts after sign-in and one cold restart. Shut down for swelling, raised trackpad, odor, heat or damaged enclosure.
Evidence ledger
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