Fix for intermittent USB port connection.

Werner Almesberger werner at almesberger.net
Fri Oct 25 22:56:37 EDT 2013


Delbert Franz wrote:
> Some fine 
> emery paper and a flat toothpick will then solve the 
> problem:-)  

Hmm, if it's really only dirt, then I'd try first with a bit of
paper soaked in alcohol. (Or spray alcohol into the connector,
then pass with the paper.)

Using anything abrasive against dirt has the risk of damaging
the gold/nickel coating of the contacts, causing them to
deteriorate more rapidly.

But chances are that heavy use has already done that to the
(very thin) gold/nickel coating and what you removed wasn't dirt
but oxide, in which case using some mild abrasive is indeed a
good solution.

- Werner



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