Sony VAIO VPCM1 - Manual (Page 87)

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Precautions >
Handling Discs
Handling Discs
❑ Fingerprints and dust on the surface of a disc may cause read errors. Be sure to hold the disc by its edges and central
hole, as shown below:
❑ Never affix an adhesive label to a disc. This will affect the use of the disc and may result in irreparable damage.