Choose your next troubleshooting check
Choose the closest symptom. Read the linked instructions, perform the check, then report whether it helped. This tool routes you through documented checks; it does not inspect your Mac or diagnose hardware.
Save a copy before changing a project. For iPad, use the iPad guide.
Specific symptoms
- MIDI Services not available / Error initializing CoreMIDI
- Only one track is not playing
- AirPods or Bluetooth feels delayed
All starting points
These links also work with JavaScript disabled. Open the full guide and match its symptom table.
- No input / recording
- No sound
- MIDI keyboard
- Missing audio files
- Sound Library
- Project will not open
- Bounce sounds wrong / silent
- Clicks and pops
- Audio / MIDI sync error
- Plug-in missing
- Overload / stuttering
- Monitoring delay
- Crashing at launch
Report a missing or unclear guide · Troubleshooting directory