Does the laser touch the disc?
Does the laser touch the disc? It's said CD / DVD / VCD is read by laser , and never touch the disc physcially, and so it would never scratch the disc and cause any data rot to the disc, is that true? Yes. The head is servo-controlled to float at a precise distance from the disc.... Where is the lens on a portable CD player? Unscrew the top cover of the player and locate the laser lens, which is located just adjacent to the central disc drive. Place a small amount of your cleansing solution on a cotton swab...