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File name hdi20_1.4_drive.pdf

K Service Source Macintosh HDI-20 1.4 MB Drive K Service Source Troubleshooting Macintosh HDI-20 1.4 MB Drive 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 appear 1 Attach drive while computer is in Shut Down (not Sleep) on display mode. 2 Replace drive mechanism. 3 Replace external drive cable. Drive reads but does 1 Replace drive mechanism. not write 2 Replace external drive cable. Drive does not read 1 Verify that software is known-good. 2 Replace drive mechanism. Drive does not eject Replace drive mechanism. disk Troubleshooting Symptom Charts - 3 Drive does not read, To read and write files with either MS-DOS or HDI-20 1.4 MB write, or format MS- drive, format all disks with MS-DOS drive first. DOS disk Drive does not read 1 Clean floppy drive. correctly; many file 2 Replace drive mechanism. transfer errors occur Drive fails to format 1 Clean floppy drive. 2 Replace drive mechanism. K Service Source Take Apart Macintosh HDI-20 1.4 MB Drive Take Apart Case Top - 1 Case Top No preliminary steps are required before you begin Case Top this procedure. Take Apart Case Top - 2 1 Open the floppy drive Door Retainer door. Pin 2 Pry one side of the door away from the case and