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Why is my MacBook zapping me lately?

2 points by pavas 2 months ago · 13 comments · 1 min read


I understand that technology evolves and not everyone is the same, but the last 3 Macbooks I've had, going back to 2020, all zap me for some reason. I.e. when I move my hands over the metal casing I feel some sort of electronic vibration, and something similar happens when I tap the track pad or glide my finger over it.

Maybe it's a matter of whatever works well for 95% of the population, but as someone with more highly attuned senses its a little annoying.

Is there something Apple can do to isolate the charges/currents a bit better, or are there other models on the market that don't have this problem?

I've been a loyal Apple user since like...forever, but it's getting hard to go along with their engineering choices lately.

kalleboo 2 months ago

I had this issue with my MacBook Pro in the apartment I lived in back in the early 2010's, but never had the issue since, so I always assumed it was some grounding issue.

  • pavasOP 2 months ago

    The same thing happened in the Apple store I went to visit. Devices tend to zap you when you touch them. Maybe the problem is localized to certain regions?

  • pavasOP 2 months ago

    Turns out to be a grounding issue--it reliably does/doesn't do it depending on location.

JSR_FDED 2 months ago

It’s likely to do with grounding. I’ve had it reliably in one location, but then with the same MacBook it doesn’t do it in another location. Probably grounding-related.

  • pavasOP 2 months ago

    It used to only happen when I had it plugged in, initially when I took my MacBook to Romania a few years ago and plugged it into the power grid there, they use a different frequency and I had to use an adaptor. But then it started happening in the US as well, and even after I switched from the 2020 model to the new M series, and now it happens to me even when its not plugged in anything, whether I'm grounded or not...that's why I'm wondering if they're actively changing the EM field encapsulation specs.

  • pavasOP 2 months ago

    Yes after more investigation this seems to be it--the clue was that it doesn't do it in all locations.

ben_w 2 months ago

I also get this, only happens while charging. To me, it feels like a change in the stickiness of the surface.

  • pavasOP 2 months ago

    Yes exactly! That's how it started, but now it happens even when its not charging...and for my phones too. Maybe it's just a change in my perception, like what was subliminal before is becoming liminal now because I learned to pay attention to it?

robthebrew 2 months ago

Does your charger have 3 pins or 2? It could be a grounding issue (which has gone on forever). Or you have carpets and plastic shoes? You are the problem. It is not dangerous, just annoying to those who sense it.

  • pavasOP 2 months ago

    Ah yes it is a 2 pin...ungrounded. Is there a way I can ground myself/and-or my laptop? I just had achilles tendon surgery so I can't really touch grass, so to speak proverbially (or literally?).

    • robthebrew 2 months ago

      Dang. Hope the recovery goes well. I snapped an achilles during covid. All good now though. As to grounding, apple sell extension cables for duckhead chargers, that are/were 3 pin grounded.

inhumantsar 2 months ago

do you wear Crocs or some other kind of thick foam shoe/sandal? do you live in a dry climate?

  • pavasOP 2 months ago

    Yes its relatively dry. I had a humidifier but the fuse blew so I'm kinda stuck with what I've got. Is there any other way to dissipate charge in dry climates than humidity?

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