No Audio From Speakers or Headphones
Recently lost audio on my PowerBook. Have done many tests and it appears to be a hardware failure.
No sound from built-in speakers
No sound from headphone jack
Keyboard volume is slow
When system prefs audio is open, Sound out/built-in Audio is not available
When adjusting volume and viewing audio prefs, sound balance toggles right and left.
Also left-hand side USB not working
AC input plug is loose.
Apple tech said not worth repairing. Have lost Hardware test disk.
Is this a good question?