Original post by: lemerise

Text:

Same scrambled video on external monitor = bad news. Probably a faulty graphic processor unit and that means a logic board replacement. Try all usual troubleshooting procedures (pram reset, PMU reset, etc). If nothing restore the video then replace the logic board.

Here's a link to troubleshooting steps:

http://www.macosxhints.com/article.php?story=2004011205473937

Status:

open