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It's not likely dust because if it was, there would be random key issues but most people report similar keys (E for an example). This redditor's research shoul

It's not likely dust because if it was, there would be random key issues but most people report similar keys (E for an example). This redditor's research should explain why it is not likely the dust and why Apple is having a hard time pinpointing it on the first few tries; https://www.reddit.com/r/hardware/comments/bjw4js/macbook_pro_keyboard_failures_why_apples_dust/ https://www.reddit.com/r/hardware/comments/bjw4js/macbook_pr... I'd place my bet on the metal materials they use; which is why they've replaced it in the 4th retry.

fingerlocks 7y ago
For me it was dust under the Q key, not a common key. I don’t see why dust is more likely to land behind the most used keys either. Also that redditor concludes by saying the cause is unknown. I haven’t had any keyboard issues on my 2016 and 2018 models since I regularly started air spraying the keyboards.
randomsearch 7y ago
It’s dust.
- hombre_fatal 7y ago
  Nope, not just dust. :) My keycaps came off because I don't hit them square on, and perhaps I'm a tad more aggressive than most (emacs + vim user). It put stress on the two C-clamps at the top of those keys and they weaken their grasp before ultimately breaking from wear. I'm on my third keyboard replacement, the exact same keys failing first (ERTSDF). 2017 Macbook Pro. I am familiar with the dust issues. And I yearn for the days where those were my only issues. Now I can't even type without having to put keycaps back on to keys.
  - randomsearch 7y ago
    Parent post said if it were dust, the keys would be randomly affected. Which AFAICT (after discussing with Apple store employees) is indeed the case. Some keys are slightly more prone to dust, eg the space bar because of its size, but any key can fail. Your concern is I’m sure valid, but orthogonal to the post I was replying to.
chrischen 7y ago
It was dust (particulate matter) that got stuck under the keys about 3 times.

fingerlocks 7y ago

For me it was dust under the Q key, not a common key. I don’t see why dust is more likely to land behind the most used keys either. Also that redditor concludes by saying the cause is unknown. I haven’t had any keyboard issues on my 2016 and 2018 models since I regularly started air spraying the keyboards.

randomsearch 7y ago

It’s dust.

hombre_fatal 7y ago
Nope, not just dust. :) My keycaps came off because I don't hit them square on, and perhaps I'm a tad more aggressive than most (emacs + vim user). It put stress on the two C-clamps at the top of those keys and they weaken their grasp before ultimately breaking from wear. I'm on my third keyboard replacement, the exact same keys failing first (ERTSDF). 2017 Macbook Pro. I am familiar with the dust issues. And I yearn for the days where those were my only issues. Now I can't even type without having to put keycaps back on to keys.
- randomsearch 7y ago
  Parent post said if it were dust, the keys would be randomly affected. Which AFAICT (after discussing with Apple store employees) is indeed the case. Some keys are slightly more prone to dust, eg the space bar because of its size, but any key can fail. Your concern is I’m sure valid, but orthogonal to the post I was replying to.

chrischen 7y ago

It was dust (particulate matter) that got stuck under the keys about 3 times.