'Some' non responsive keys GHJKL...

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MacBook Pro（13 英寸，配备 Retina 显示屏2015 年初期）

2015年3月更新的 13 英寸 MacBook Pro 配备 Retina 显示屏，型号为A1502，采用第五代英特尔酷睿 i5 和 i7 处理器，并配备 Force Touch触控板。

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livfe @livfe

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'Some' non responsive keys GHJKL...

CAN a keyboard become 'faulty / some non responsive keys' during shipping process? It was very securely wrapped with a reliable service. Personally I cannot see this happening as the cable is difficult to come lose when it is screwed down inside (2015 Retina). TP / Power button are OK and they were able to 'login'. Item was not visibly damaged. Packaging was fully intact and no evidence of being squashed or anything etc. or was this 'sold' defective in the 1st place which is what I have suggested to the logistics company. @danj

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@livfe was it pre-owned or new?

由 redratchet21 完成的 2026年3月25日

@ahmadawick An 11 year old laptop cannot be new / pre-owned, likely sold because of this problem. But that is not the question.

由 livfe 完成的 2026年3月25日

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Rashmi Kandhil @rashmikandhil

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Highly unlikely shipping caused it — especially with intact packaging and no physical damage. A screwed-down cable rarely shifts in transit. More probable it was sold faulty or had a pre-existing issue. Push back on the seller, not the courier. Request a refund or replacement — you have a solid case.

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Yes this is exactly my thought also, a sudden jolt wouldn't be a likely cause for some keys not to function. Dirt, dust or liquid would cause this. If and when the unit arrived here for a replacement KB I will find some clues.

由 livfe 完成的 2026年3月25日

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@ahmadawick An 11 year old laptop cannot be new / pre-owned, likely sold because of this problem. But that is not the question. — livfe
Yes this is exactly my thought also, a sudden jolt wouldn't be a likely cause for some keys not to function. Dirt, dust or liquid would cause this. If and when the unit arrived here for a replacement KB I will find some clues. — livfe

DanJ @danj 声誉积分: 499.7千 Self employed contract worker 35 342 977 · Answer 1 · 2026-03-25T06:58:43-07:00

DanJ @danj

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If this was a 2016 or newer I would have suspected crumbs or sand shifted jamming the keys travels.

If the keys are responding to touch just not registering and yet an external keyboard is working without difficulties the issue is within the keyboard and likely the ribbon cable or its connector has been damaged. That's clearly not a functional system from the start and if stated as such deceptive.

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2015 Retina. I believe this was defective before shipping and not stated in the advert.

由 livfe 完成的 2026年3月25日

@livfe - for sure! If they made the claim it was working.

由 DanJ 完成的 2026年3月25日

@danj They included a short video of the keys not working, The U key was also affected as it was 'stuck' repeating the U character. The only thing that comes to mind is the battery may have shifted and with the flex cable attached to the battery it may have created the issue, until it is opened up and checked we cannot confirm this, but the batteries are stuck down tight and this would be unlikely unless the battery was replaced at some point in the past and has come lose.

由 livfe 完成的 2026年3月25日

@livfe - Liquid spill into the switch matrix damaging the switch surfaces shorting it out or preventing the switch contact to activate.

由 DanJ 完成的 2026年3月26日

@danj Could be old age, misuse, bashing the keys to hard, dirt, dust, and anything else.... it happens... I don't think water was the cause here but it also could be.

由 livfe 完成的 2026年3月26日

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MacBook Pro（13 英寸，配备 Retina 显示屏2015 年初期）

'Some' non responsive keys GHJKL...

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