If possible, it’s a good idea to use one of these drives when trying to salvage a disc to lower the number of variables at play. Tray-loading drives may be more likely to read a damaged or scratched disc than slot-loading drives.Because the disc spins so fast, the reader has to be able to compensate for missing bits of the data as it goes, and when a scratch runs straight out from the center of the disc to the edge, it’s a lot easier for the algorithm to catch the error and fix it automatically. The reason for this is that the data runs in a spiral around the disc, as on a vinyl record. This allows for a better grip while cleaning and lets you avoid damaging any of the data printed onto the polycarbonate layer below. The best way to clean your discs is to start at the center and work your way outward in a straight line.Better still, put on a pair of latex gloves, if you happen to keep them around. It’s surprisingly easy to mess with the delicate data imprinted onto a disc’s polycarbonate layer, and both grease and oil are known to cause playback issues even if the disc shows no signs of physical damage.
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