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

["M.O.B. i L." <mikaelb@df.lth.se>]

Linards Ticmanis wrote:
> 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?

The previous owner stored the computer in a cold garage for several years.

> 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.

They do improve with usage.