Optical disc constantly ejects.
1.Disconnect all peripheral devices, especially the mouse in cases where the disc is constantly ejecting. Retest. If the issue is resolved, reconnect peripherals
2.Try cleaning the disc. If the disc is dirty or scratched, it may not mount. Is the issue resolved?
Yes: Problem solved.
No: Try a different disc. If the issue persists, go on to the next step.
Boot from Apple Service Diagnostic disc version 3S116. Does the unit pass the tests?
Yes: Restart to the internal hard drive and test again.
No: Replace the component (s) indicated by the test results. If you cannot boot to Apple Service Diagnostic disc because it ejects, go on to step 4.
3.Boot from the system install DVD (use Startup Manager, hold down the Option key at startup). If you can boot from this volume, perform an Archive and Install with the Install DVD that came with the computer and test.
Is the issue resolved?
4.Yes: Problem solved.
No: If you cannot boot to Apple Service Diagnostic disc or to the Install DVD because they eject, reseat the optical drive flex cable to the logic board and retest.
5.Replace the optical drive flex cable.
6.Replace the optical drive.
7.Replace the logic board
