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- 14" MacBook Pro M1 Pro, 16GB RAM, 1TB SSD
My older MagSafe adapter (spare that I bought new in 2008) has begun to emit a bit of a whining noise when charging. The noise persists even after its remove from the computer. After unplugging it from AC altogether, it gradually whines down until it goes away. I realize it's probably going bad, but what I'm concerned about is whether it's safe to use it. Any thoughts?