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Built-in Floppy Disk drives not recognized in OSX.

Built-in Floppy Disk drives not recognized in OSX.

Mac OS X recognizes floppy disks from some third-party USB drives but not from built-in floppy disk drives.


Built-in floppy disk drives show no sign of activity when a disk is inserted. The floppy disk does not appear on the desktop, or in a Finder window.

You must eject the disk manually using a paper clip or restart from Mac OS 9 to eject the disk.

Products affected

  • Mac OS X 10.0 or later
  • Power Macintosh G3 Desktop
  • Power Macintosh G3 Mini Tower
  • Macintosh Server G3
  • Power Macintosh G3 All-in-One
  • PowerBook G3 Series


  1. Open System Preferences.
  2. Click Startup Disk.
  3. Select a Mac OS 9 System Folder.
  4. Restart the computer.
  5. Either copy the information from the desired floppy disk(s) onto your hard disk or use the Disk Copy utility to create disk images of the floppy disk(s)

    Note: Be sure to put the copied files or disk images in a location that is accessible when the computer is started up from Mac OS X. A folder in your Home directory would be the best place to put the files.

  6. Open the Startup Disk control panel.
  7. Select the Mac OS X System Folder.
  8. Restart the computer.

Related Documents:

106167 Mac OS X: Using Your Home Directory

There is no reason that floppy discs should stop working.

Both OS support floppies. It may be co-incidental that your floppy went out. The way to test is to boot from the OS 9 CD (or even the 8.6 CD) and then throw in a floppy.

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