J Flenner said: >Is there something specific I should ask about if the >memory tests still show nothing (if no test can be >completely thorough, as Randy S. said)?? Is it possible that >they haven't taken that RAM out (as Doug F. suggested) >to see if it still gets kernel panics? That would be the easiest, and most logical, thing for them to do. A through memory tester might take months to run. Randy B. Singer Co-Author of: The Macintosh Bible (4th, 5th and 6th editions) Routine OS X Maintenance and Generic Troubleshooting http://www.macattorney.com/ts.html