I have a batch 10 unit that I’ve noticed over time develop these bumps or undulations on some of the keys on what looks like the paint or film on the keys themselves. Though this is my daily, I’m usually on an external keyboard when using it. Even when I do use the built-in keyboard with the exception of the c key, it’s rarely those keys specifically (fn & left alt). The laptop stays in temperature controlled environments for the most part outside of travel periods but never in any kind of direct sunlight or anything obvious like that. Just wondering if this is a one off manufacturing defect or are others seeing similar?
I would contact support, if you haven’t already.
I recall seeing at least one person post that issue. But I believe they used their keyboard regularly.
I’ve also seen pictures of it happen on laptops from other manufacturers.
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