19 Aug
2007
19 Aug
'07
8:27 a.m.
Date: Sun, 19 Aug 2007 08:50:57 -0600> > Ade
Vickers wrote:> > Hi guys...> > > > I have a truly huge number of old
3.5" HD floppy disks which no longer work.> > Attempting to format them in DOS
returns the largely unhelpful "Invalid> > media or Track 0 bad - disk
unusable" error message.> Same here. Pretty much all of the 3.5" don't
work reliably anymore.> But 9-tracks from the 70's are fine, 8" and 5.25"
floppies are fine.> Just plain weird.
Hi
Much of the probems I've see are also drive related.
For some reason the possitioning of the tracks seems
to fail often. Soem have had luck with adjusting the
track zero sensor but what I've seem is related to the
small plastic ball bearing used in the slides. For some
reason these tend to get flat spots and don't roll well.
Once this happens, all kinds of problems happen.
Dwight
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