![]() The laser lens is unable to focus through those ridges, resulting in distortion, skipping or freezing. When a scratch occurs, a ridge is formed in the plastic layer on either side of the scratch. The laser lens system of the CD/DVD/video game player reads the disc by passing a laser beam through the clear plastic, reflecting off of an aluminium layer and hitting a device that detects changes in light. Whether the disc is an audio CD, game disc, DVD or computer software disc, the data is stored in a spiral track of pits molded into a plastic layer. ![]() The Nuts and Bolts of Optical Disc Technology (Xbox Disc Repair and Cleaning System specifically for use with only Xbox Discs). Disc repair is possible for most optical discs. You don’t have to throw away and replace scratched discs. ![]() Even with careful handling, discs often get scratched. Scratched discs can cause favourite songs to skip, distort and pixilate beloved movies, or freeze exciting video games. NOT FOR USE WITH BLU-RAY OR PLAYSTATION 3
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