Apple imac 17in 1ghz Service Manual

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22 - iMac (17-inch Flat Panel, 1GHz) Troubleshoot-
Optical Drive Symptom Charts
Optical Drive 
Optical drive won’t mount to the desktop
1.
Try cleaning the disc. If it is dirty or scratched, it may not mount.
2.
Try a different disc.
3.
Boot from Apple Hardware Test (hold down the “C” key at startup) or boot from the system install CD 
(use Startup Manager, hold down the Option key at startup).
4.
Perform a clean install with the CD that came with the computer.
5.
Replace the optical drive cable.
6.
Replace the optical drive.
7.
Replace the logic board.
Can’t boot from the optical drive
1.
Try cleaning the disc. If it is dirty or scratched, it may not mount.
2.
Try a different disc.
3.
Boot from Apple Hardware Test (hold down the “C” key at startup) or boot from the system install CD 
(use Startup Manager, hold down the Option key at startup).
4.
Perform a clean install with the CD that came with the computer.
5.
Replace the optical drive cable.
6.
Replace the optical drive.
7.
Replace the logic board.
Optical disc constantly ejects
1.
Disconnect all peripheral devices, especially the mouse in cases where the disc is constantly ejecting.
2.
Try cleaning the disc. If it is dirty or scratched, it may not mount.
3.
Try a different disc.
4.
Boot from Apple Hardware Test (hold down the “C” key at startup) or boot from the system install CD 
(use Startup Manager, hold down the Option key at startup).
5.
Perform a clean install with the CD that came with the computer.
6.
Replace the optical drive cable.
7.
Replace the optical drive.
8.
Replace the logic board.