It could be the backlight, a pinched cable (check by moving the screen back & forth) or the complete LCD, or the logic board. I sent a 667Mhz TiBook in for pixelated display and they replaced both the logic board and the screen. YMMV -- Mr. Shannon Strachan Y2K XL1200S Mine 05 XL883L Hers Auburn, CA -----Original Message----- From: titanium-bounces at listserver.themacintoshguy.com [mailto:titanium-bounces at listserver.themacintoshguy.com]On Behalf Of David DelMonte Now does anyone else have any ideas on why my screen goes blank or should I go with Fred's message. David http://search.ebay.com/_W0QQsassZmacguy1984