Go to Apple for definitive diagnosis and receive either new charger or get machine serviced.Īlso: it's completely normal for the adapter to get very hot when connected to the machine and charging. Actual fix = defective charger/hub, both of which covered under Warranty. Inaccurate voltage and current (mAh) supply may cause of. In short, temporary fix = isopropyl alcohol to clean the pins on adapter itself and in MBP. 85W 20V-4.25A, T-Shape Tip, Apple 85W MagSafe 2 A1424 Power Adapter for MacBook Pro with. I assume, however, that if it's incorrectly charging the battery for many cycles, the battery would be affected. I asked them the same question about the battery and they did not give me an answer (they don't "speculate"). ![]() They swapped out the Magsafe charger with a new one and the issue is yet to re-occur (been ~3 weeks). The machine passed Apple's in-house diagnostics. This was a temporary solution.Ī few weeks later, it occurred again so I opened a case # with Apple and took it into the Apple Store Genius Bar. Ran the test again (multiple times) and no error occurred. I then used isopropyl alcohol to clean both the magsafe adapter pins and the magsafe input on the machine. Originally, I took the generic troubleshooting steps (reset SMC, unplug let sit, etc.). I have the exact same model and had the same issue.
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