3.5" floppy failure mode? Hub not attched to media.

[Eric Smith]

On Thu, Feb 26, 2015 at 2:21 PM, David Schmidt <david at attglobal.net> wrote:
> I've never had luck reattaching the media to the hub when it becomes
> detached.  (I've used a dab of thin but sticky glue.)  I chalked it up to
> not being able to get the alignment perfect,

That seems quite likely. The track pitch is less than 0.2 mm. A
positioning error of less than 0.1 mm when reattaching the hub will
render the disk unreadable.