Weird keyboard problems....

Greg Kettmann greg at kettmann.com
Sun Feb 7 07:28:30 EST 2016


In my experience it's usually caused by "stuff" in the keyboard.  A 
crumb, a hair, who knows.  The most effective fix is to stand the 
keyboard, or in this case the whole laptop, up sideways... So that the 
long side points straight up.  Then gently tap or slap the bottom of the 
laptop a bunch of times, moving up and down a bit just to distribute the 
effects.  I use about as much force as if I were clapping.

Way, way back when, with IBM, we could take the keyboards apart and 
clean them with alcohol, but those days are long gone.

Good luck.

GGK

On 2/7/2016 3:53 AM, Joshua Judson Rosen wrote:
> So, this may be only marginally on-topic at best..., but....
>
> I've got this weird problem with the keyboard on my laptop: I've got
> a bunch of keys that intermittently become dependent on some other keys.
>
> Every so often, the Y, U, J, 9, comma, Enter, and Home keys all stop working
> unless I hold down either W or left Shift or Caps Lock. Then they actually
> trigger (though not in a way that's useful since I'm holding down other keys
> that prevents software from interpreting them in the normal way...).
>
> I gather that the Y, U, J, 9, comma, Enter, and Home keys are all sharing
> a signal line or something, which would explain why they all go out together;
> how holding other keys effectively routes around that damage..., I'm clueless.
>
> But I think my question is: how likely is this to be caused by some sort of debris or
> corrosion somewhere (under one of the keys? on the contacts on the ribbon-cable?),
> and, if so, what would be the right (non-destructive) way of clearing it out?
>
> This can't possibly be a software issue, right?
>
> Anyone dealt with anything like this before?
>


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