Re: Apple II Europlus or Plus keyboard problem (no effect or bounce)

[Linards Ticmanis <ticmanis@gmx.de>]

On 07/22/2010 01:32 AM, M.O.B. i L. wrote:
> I have an Apple II Europlus (which is similar to Plus) that has a
> problem with the keyboard. When I strike a key often nothing happens and
> sometimes I get the same character twice. Is there a way to fix this?
> Could one clean the contacts? Should one spray the contacts with something?

First, especially if the Apple has been in storage for a long time, work
the affected keys. Press and release them several hundred times. Often
this is enough to get rid of the oxide that has built up over time.

Did the keyboard get damp or even wet? In that case, store in a warm,
dry place for a while. If you have an oven in the kitchen that can
reliably keep a temperature of not more than 60�C / 140�F, you can
"bake" the keyboard, minus the keycaps, for a while. But be careful,
overheating the switches will jam them beyond repair. Obviously, a
microwave oven is absolutely contraindicated.

If this isn't enough, you can try removing the keycaps and spraying a
**small** amount of contact cleaner into the switches along the key
shafts. Then again work the keys several hundred times.

-- 
Linards Ticmanis