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Wierd DVD damage.

Discussion in 'Do It Yourself (Not Computer-Related)' started by k1ttenface, Oct 29, 2011.

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  1. k1ttenface

    k1ttenface Thread Starter

    Joined:
    Apr 21, 2010
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    I've had a wierd problem of DVDs being rendered unplayable and wonder if anyone has any insight.

    A few months ago I rewatched a DVD i've had sitting on a shelf for a few years. It stopped playing about 3/4 through the movie and when i checked the disk it had a wierd dark spot under the surface that kinda looked like liquid had seeped into the middle layer (or even that it had somehow melted), starting from the outer edge. I couldn't work out what had happened so i just assumed it was some freak fault and binned it and bought another. However, the exact same thing has just happened again with a different dvd stored in a different cupboard and playing on a different player at the time of discovery (this time one that had been watched in the last few months).

    Here is a picture of it (at the top of the disk).
    [​IMG]
    Sorry about the quality, i havn't got any batteries for my camera so had to resort to a novelty spy camera pen (I can take another with my real camera tomorrow if it helps). When looking closely, you can also see that there are a number of very small ones along the edge of the disk in the same general area that arn't directly connected.

    Any ideas what this is?
     
  2. Elvandil

    Elvandil

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    Not sure, but DVD's don't last for very long. The dye seems to degrade. Though it doesn't seem logical, I now store all my long-term storage on hard drives since they seem to hold the data far more reliably (if kept in a dry place). Most DVD's that I have that have gotten a few years old have started to degrade and separate, and they become unreadable even before that.

    It is probably just old age.
     
  3. k1ttenface

    k1ttenface Thread Starter

    Joined:
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    Messages:
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    I have had similar problems with DVD/CD-R in the past (in which the damage was visable on both sides, while in this case it's only the shiny side) but these are genuine DVD-ROM movies, and not particularly old, and (as far as i can tell from google) DVD-ROM don't degrade like burned disks do.
     
  4. Elvandil

    Elvandil

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    All DVD's are burned. It probably also depends on what quality they start with.
     
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