On 8 Jun 2012 at 14:25, Fred Cisin wrote:
  I've had them squuek, screech, squeal, chatter,
seek incessantly, but
 never GRIND.   'course, thinking back to auto repair,  sometimes
 people have a strange idea of what "grind" sounds like. 
When you take your PC to the beach, keep it out of the sand to keep
it from grinding.
--Chuck