:: Re: [DNG] loss of keyboard input
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Autore: Hendrik Boom
Data:  
To: dng
Oggetto: Re: [DNG] loss of keyboard input
On Wed, Dec 14, 2022 at 05:30:09PM -0500, Steve Litt wrote:
> Haines Brown said on Wed, 14 Dec 2022 11:43:49 -0500
>
> >Someone suggested a possible adappter-keyboard incompatibility, and so
> >I tried the same brand adaptaer as my original one. This works, but
> >only in a USB port other than the one I was orignally using. So I'm
> >back in business, but perhaps with a non-functioning USB port.
>
> You're not necessarily back in business. If the keyboard stopped
> working during the night without any action by you, this is probably an
> intermittent, which means it could happen again at any time.
>
> A very common cause of intermittent mice and keyboards is fretting
> corrosion. Please read the following document:
>
> http://troubleshooters.com/tpromag/200310/200310.htm
>
> Lubricate the contacts of your mouse usb, your keyboard PS, and the
> adapter's usb. I suggest you lubricate all your USB ports. Doing so
> costs you 20 minutes and can save you days of diagnosing intermittents.


How to lubricate them? You'd need a lubricant that
* doesn't insulate, and also
* doesn't conduct between contacts it shouldn't.

-- hendrik

>
> SteveT
>
> Steve Litt
> Autumn 2022 featured book: Thriving in Tough Times
> http://www.troubleshooters.com/bookstore/thrive.htm
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