-=> On 09-23-19 18:07, August Abolins wrote to Tony Langdon <=-

 AA> On 22/09/2019 9:08 p.m., Tony Langdon : August Abolins wrote:

 >   AA> Have you tried the same DVDs on a newer machine?  An older machine
 >   AA> could start developing problems tracking, among other things too.
 >
 > Yes - multiple machines, same result, whether a Blu-ray or a newish
 > computer DVD drive.
 AA> Did the disc ever get exposed to extreme changes in the temperature and
 AA> moisture?  Apparently the edges of those discs expose the recorded
 AA> layer. Humidity would be a killer.

No, they live inside, and humidity here is low much of the year.


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