Suz wrote:

I found that once a few years ago with a mouse - it only moved up and
down on sunny days! The solution was to take the lid off it and colour
the inside with a permenent marker pen - put it all back together and it
worked fine after that!


That is hardly the case here because the "double-click" is being activated
and it is mechanical rather than optical.

Sorry you might have got the wrong impression of my answer - I was being
all anecdotal and not attempting to solve the OPs problem at all! ;-)


--
Cheers,

John.

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