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Posted by Abe on 09/13/05 16:00
>This is the only failed DVD I have made out of about a hundred and it
>seems this is because there is a tiny (took x30 loupe to find it)
>fault in the track layer, probably affecting about 27 track rings over
>a very short distance ( 19.98 um). Through a microscope this fault I
>measured as at 24.50mm radius from the disk centre and I can only
>assume that his portion is critical in the recognition of the disk
>format / directory of files. I post along with this query a jpg
>picture in alt.binaries.multimedia.utilities (if interested look for
>DVDfault.jpg , lens magnification is well over 500x ).
>The disk is otherwise perfect. it is a 4.7Gb (DVD5) BulkPaq DVD+R
>Generation 4 8x speed.
>None of my burners/players (4 different tried) will mount the disk and
>I assume it is this fault that is stopping any player from mounting
>the disk at all. The disk in its unburned state must have been
>correctly mounted for the burner to have burned it in the first place.
>Is there any way of mounting the disk?
>I tried rescue programmes but they will only work if the disk can be
>recognised by the player/recorder in the first place..any expert help
>out there? - I cannot get the disk content again!!
>Charlie+
I think you might be out of luck unless you use a professional data
recovery service such as OnTrack.
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