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”Incredibly, scratches in the surface of a CD or DVD can be fixed with softened wax! As with the toothpaste fix, you can use shoe polish, lip balm, furniture wax, or even petroleum jelly. Again, rub it into the surface of the disc to fill the scratch. With a lint-free cloth, wipe of the excess wax, with a radial action.“
Toothpaste is most commonly used to polish the CD surface. The laser reads the inside of the CD, not the surface. When a CD is scratched then the laser is refracted and can't read the inside( music track ). Try it with a different CD making sure the toothpaste is okay first.
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