FM> > consistent "Couldn't format Cylinder 0" error. floppies in 
FM> > question were very well cared for and previously working fine 
FM> > and it is happening across all of them. I'm worried I have 
FM> > somehow fried the drive logic on the motherboard, as I  
FM> > previously having the same issue on the internal drive (leading 
FM> > to my 
FM> >  repair attempts.) 
FM> > Any ideas or suggestions much appreciated! 

FM> Hi, it seems like a High Density - Low-Density problem. Try 
FM> covering the little window on the right with some tape. 

The floppies are double-density ones I'm afraid. So no holes to cover.

I did make me think though, as the external drive I have is a Power
Computing one that supports HD as well as DD. But fiddling with the mode
switch at the back doesn't seem to help.

I cleaned the heads yesterday and managed to get one side of the disk to
give all greens on xcopy's checkdisk function - but the others were
completely red. And still not formatting - with the "Cylinder 0" error.



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