In a message dated 3/16/12 9:37:01 AM, josh.w.richards at gmail.com writes: > Sporadic is a good word. My MacBook would be fine until I started doing > more intensive work on it, then it would shut down. So sometimes it would > run for a while with no problems, if I was just browsing the web or > something. > Yep; that sounds like it. I agree. ---------- The original poster (sorry I am mobile right now) should do one fo two things, probably both: 1) Get thee to a copy of Apple Service Diagnostics (ASD) for your machine -- 2.5.7 I think? -- and run the test on the fan. 2) Wiggle the cord on the AC adapter -- 1st from the brick and then from the connector that plugs into the machine -- and see if power is not interrupted.... or try another charger if available. Craig W. The Texas’Dawg, COC Enterprises PC/Mac Computer Repair, Network Solutions, Drive Recoveries & Virus Elimination Specializing in Legal IT Needs (678) 773-4062 GA (713) 294-3504 TX (904) 607-1224 FL -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://listserver.themacintoshguy.com/pipermail/ibook/attachments/20120316/657d02cf/attachment-0001.htm>