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File name apple_superdrive.hdi_20.pdf

K Service Source Apple SuperDrive K Service Source Troubleshooting Apple SuperDrive Troubleshooting General/ - 1 General The Symptom Charts included in this chapter will help you diagnose specific symptoms related to your product. Because cures are listed on the charts in the order of most likely solution, try the first cure first. Verify whether or not the product continues to exhibit the symptom. If the symptom persists, try the next cure. (Note: If you have replaced a module, reinstall the original module before you proceed to the next cure.) If you are not sure what the problem is, or if the Symptom Charts do not resolve the problem, refer to the Flowchart for the product family. For additional assistance, contact Apple Technical Support. Troubleshooting Symptom Charts/ - 2 Symptom Charts Drive does not come 1 Replace drive mechanism. on; LED flashes once 2 Replace external drive cable. or does not light 3 Replace LED assembly. Drive reads but does 1 Verify that drive is 1.4 MB SuperDrive. not write 2 Replace drive mechanism. 3 Replace external drive cable. Drive does not read 1 Replace bad disk. but LED comes on 2 Replace drive mechanism. Drive does not eject 1 Replace drive mechanism. disk 2 Replace eject switch cable assembly. Troubleshooting Symptom Charts/ - 3 Drive functions, but 1 Replace LED assembly. LED does not light 2 Replace drive mechanism. MS-DOS drive does To read and write files with either MS-DOS or 1.4 MB drive, not recognize disk format all disks with MS-DOS drive first. formatted on 1.4 MB SuperDrive Drive reads/writes 1 Verify that drive is 1.4 MB SuperDrive. to 800K disks but not 2 Replace drive mechanism. to HD disks Drive is unable to 1 Clean drive. read; many file 2 Replace drive mechanism. transfer errors occur Troubleshooting Symptom Charts/ - 4 Drive fails to format 1 Clean drive. 2 Replace drive mechanism. K Service Source Take Apart Apple SuperDrive Take Apart Top & Bottom Cover - 1 Top & Bottom Cover No preliminary steps are required before you begin this procedure. 1 Remove the four screws from the case bottom and pull the bottom cover off the drive.