What you are hearing is a coil hum/whine. Your system has transformers and inductor coils which can become loose in their cases so they vibrate.
It has nothing to do with the macOS release your system has on it.
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You’ll need to open the system up and carefully try to narrow down where the sound is coming from so you can idsolate out the part that will need either replacement or repair.
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You’ll need to open the system up and carefully try to narrow down where the sound is coming from so you can isolate out the part that will need either replacement or repair.
What you are hearing is a coil hum/whine. Your system has transformers and inductor coils which can become loose in their cases so they vibrate.
It has nothing to do with the macOS release your system has on it.
You’ll need to open the system up and carefully try to narrow down where the sound is coming from so you can idsolate out the part that will need either replacement or repair.