Jeff Winchester said: >I've seen Apple talking about running the new PowerBooks in lid closed >mode on the website. Does anyone know if they changed anything with >these ones to allow that, or if they are the same as the older ones in >that regard? I have a 15" 1.25 GHz from 1 year ago and I'm trying to >figure out if I can safely run it in lid closed mode without >overheating. Since Apple has tech info library notes telling you how to do it, without admonishing you not to do it because of a concern for heat build-up, one would have to assume that doing so is safe: http://docs.info.apple.com/article.html?artnum=86286 It is not safe to do with the G3 PowerBooks: http://docs.info.apple.com/article.html?artnum=24613#faq5 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