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floppy disk

hi ,

why sometimes a floppy used to record data in one pc gives messages "the disk is not formatted" when tried to access  in another pc.how can be this corrected.
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ganitham
Asked:
ganitham
1 Solution
 
zephyr_hex (Megan)DeveloperCommented:
what are the operating systems on the 2 computers?
this message usually occurs when the format of the floppy is not recognized.  for example, if you format a floppy on  Mac and then try to use it on a PC, the PC will give you that error.  there is no way around it.
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simpswrCommented:
It seems to be a by-product of zero quality control on floppy discs and drives.  They are so cheap these days that no manufacturer seems to be concerned with quality control.
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MarkCommented:
This can be caused by head misalignment of one of the floppy drives. If one drives heads are out of spec it will show up when the floppy is read by a floppy with a properly aligned head. The out of alignment floppy will still read its own floppys that it makes, because its geometry will match its floppy disk read write pattern.
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burrcmCommented:
As sparkmaker says. I have a classic at home - two of my pc's are just the right amount out of alignment, that I can format a disk in one, put data on it, format it in the other, put data on it, then read BOTH sets of data in the originating machines. Can't find a use for it though...but it gives new meaning to reading between the lines.

Chris B
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MarkCommented:
@burrcm--> can you get twice the data on those floppys ;-)
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burrcmCommented:
Yep

Chris B
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