Description of products For cleaning CD/DVD optical drive systems The record contains an English-recorded instruction describing all the activities necessary for cleaning drives Gentle toothbrushes on the surface of the board effectively remove impurities without drawing lenses METHOD OF USE: Place the plate in the drive tray with the toothbrushes down and wait until the control lamp lights up. Press the PLAY button. Then follow the instructions for use recorded on the disc.WHERE YOU DON'T HAVE THE SOUND CARD:Put the plate in the drive tray with the toothbrushes down and wait until the control lamp is lit. Press the PLAY button. Wait 10 seconds, press Play again. Next 30 sec. Press the PLAY button for the third time. When the control lamp goes out, you can remove the plate. The drive's been cleared.