Q: my ibook G4 won't start it shows black screen and loud fan sound only
my ibook G4 won't start, after you press the on key it makes a loud air sound, almost like a kernel panic sound, no screen light just the sound, it will turn off by pressing the on key again. Is there anything I can do to get it on?
iBook, Mac OS X (10.4.11)
Posted on Jun 2, 2012 6:31 PM
This is sounding very similar to my 14" iBook G4, which now has a confirmed logic board failure. It will turn on and the fan cuts in straight away on booting. Try to apply a little bit of pressure to the left side of the tracker pad with your wrist. If the screen comes on then the chances are it's suffering from the solder ditched chip problem. This is where over time one of the controller chips pins have become unsolder from the logic board due to constant heating and cooling. You can get this fixed by using a specialist who has the ability to solder very small chips, but the cost is not cheap. The alternative is a new/replacement logic bard of the same specification. Again wont be a cheap fix. I hope that it's not this problem, but it's just a suggestion that may help you diagnose this problem. Best of Luck.
Posted on Jun 3, 2012 2:32 AM
