The video after the break [pescado99] demonstrates how to use a cotton swab to apply powdered graphite to the rear of the buttons to make them conductive again.

Moving on from what I'm discussing in this thread a web page I've found talks about using graphite powder to lubricate fans. They say that it can be purchase from auto or hardware stores, but so ...

Monday, February 8th: Masterpieces in Pencil How two NH creatives use graphite to tell their stories.

Instead, Jim recommends using graphite powder, such as the bestselling Ultra-Fine Pure Graphite Powder available at Amazon, as a better alternative, which can also be used to fix creaky wood floors.