How to recover data from a defective CDROM
Jonathan Ryshpan
jonrysh at pacbell.net
Thu May 21 07:01:29 UTC 2009
On Wed, 2009-05-20 at 22:28 -0400, Gene Heskett wrote:
> On Wednesday 20 May 2009, Jonathan Ryshpan wrote:
> >My computer is no longer able to read a CDROM with some fairly valuable
> >data. I have been able to read this CDROM successfully in the past.
> >...
> >An attempt to get some data using cat fails:
> ># cat /dev/sr0
> >cat: /dev/sr0: Input/output error
> Can this drive still read other cd's? Also, if the cd really is scratched,
> there are treatments to restore them at your local Wally World I believe. In
> a one time pinch, you could use a century old darkroom technique we used for
> scratched negatives since long before my time, rub a bit of the grease from
> the side of your nose into the scratch.
>
> But I'd almost bet a new drive would read it as it is.
The drive does read other CDs without trouble. It's almost new; I
bought the system in March. Two other systems, both old but reliable
won't read the CD either. The CD has no visible scratches; a little
grease didn't help.
Thanks - jon
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