I've read several posts similar to my case but I still don't know what could be causing all my problems. I have a Ti 1Ghz DVI model with 10.3.2, it has already been sent to service but they said that it was software related and they did nothing, the problems are:
-Wake/Sleep problems, display stays black but you hear the fan and the HD working.
-Horizontal lines appear on the display occasionally, sometimes they disappear, other times they just freeze the screen. They apper when the powerbook is moved and/or an external device is plugged (iPod).
- On powerbook start, the screen stays black sometimes. I may have to restart it 2 times to get the screen to light up.
-Recently I had this message in the upper-left corner
Entering system dump routine.
A panic server was not specified in the boot-args, terminating kernel core dump.
ethernet MAC address: 00:00:00:00:00:00
ip address: 0.0.0.0
Waiting for remote debugger connection.
Before sending the powerbook to service, I reinstalled the original system, the problems reappeared. Also I have booted with OS 9 and I didn't have any wake/sleep or display problems. I have removed items from "startup items". I have ran the hardware test disc, nothing appeared.
I have not found anything and the problems persist. Any ideas?