On Mon, 28 Nov 2005 08:49:28 -0500, geezer <wee DeleteThis @willy.com>
wrote:
>I have a DVD drive that is giving me this error on data disks I have
>made:
>
>CANNOT COPY DATA ERROR (CYCLIC REDUNDANCY CHECK)
>
>What can I do? Clean the drive? How?
>
>The disks in question read just fine on another machine I have.
Discs might have a few errors, enough that one drive can
read the marginal disc but another can't (even if both
drives were working *perfectly*, as designed.
Drive might instead be worn or dusty now- not much can be
done about the wear except maybe trying to relube the motor
bearing and slide rails for the read head, but that's a PITA
requiring disassembly and may not help. Otherwise just try
blowing drive out with compressed air or in extreme
emergency (or just for the hobby-sake of it) take drive
apart and stream pure alcohol across the lens while it's
orientated perpendicular to the horizon (so the fluid drips
off the edge better). That is also hit-or-miss, ultimately
if the discs are bad you might seek better media, and/or
better burner, lower write speed, or use a 2nd burner or
reader-only known to read better.
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