Sony VAIO computer - Manual (Page 4)

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Handling the CD / DVD / Blu-ray Disc™ media
Do not touch the surface of the disc.
Fingerprints and dust on the surface of a disc may cause read errors. Always hold the disc by its edges
and central hole, as shown below:
Proper care of the disc is essential to its continuous reliability. Do not use solvents (such as benzine,
thinner, alcohol, commercially available cleaners, or anti-static spray) which may cause damage to the
disc.
For normal cleaning, hold the disc by its edges and use a soft cloth to wipe the surface from the center
out.
If the disc is badly soiled, moisten a soft cloth with water, wring it out well, and use it to wipe the surface
of the disc from the center out. Wipe off any remaining moisture with a dry soft cloth.
Never affix an adhesive label to a disc. This will affect the use of the disc and may result in an irreparable
problem.