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Re: Apple II+ Flakey Inverse Characters



On Jan 4, 3:00 pm, Bugman <btt071...@gmail.com> wrote:
> You mentioned a flaky keyboard also.  I've had a lot of luck
> resurrecting several apple ][+ keyboards in the past.  I carefully
> remove the keycap exposing the center shaft.  I then drip some 90% IPA
> down the post and press in several times ensuring that some IPA makes
> it inside to where the switch conact is made.  This is all done with
> the power off.  After allowing proper time to dry, I then power on the
> computer and re-test.  It can take several repeats before the key is
> consistently fixed.  I spent most of a day bringing back about 1/2 of
> a keyboard.  Don't get discouraged if the next day several keys need
> to be re-done.  This methods assumes that the problem is with dirty/
> oxidized contacts.  If you are just experiencing minor glitches
> (occasional double characters, etc.), then you may be correct in that
> they will improve with use.  Others here may also have additional
> opinions on what other solvents/cleaners work.  90% IPA was cheap and
> worked pretty good.

By IPA, do you mean India Pale Ale??? That would be a new use for one
of my favorite beers!!! I get both double characters, and no chars at
all. I was wondering if some sort of electrical contact cleaner would
fix this.

Will