Clean the disc with compressed air.
Compressed air can remove most accumulations of dust and large dirt particles.
If spraying with compressed air fails to remove the dirt on a disc, wipe the disc using a soft, clean, lint-free, dry cloth.
Wipe the non-labeled side of the disc radially from the center to the outside.
Do not wipe in a circular motion.
Wipe only the affected areas of the disc.
The figure below shows the correct and incorrect ways to clean a compact disc.