Minibook X N100 Sound from charging port

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Minibook X 2023 Coil Whining

I made a purchase a few days ago on AliExpress. Everything else is fine, but when the charge reaches 100%, I hear a coil whine loud near the charging port inside the device. I looked it up and found that there was the same problem, " Minibook X 2023 annoying noise" is there a way to solve it? The device is so good, but this coil whine is so stressful. So I’m charging 50% when I charge it 100% and repeating it. Please tell me the solution. T^T Primary and 65w adapters show the same symptoms…