Make sure that the disc is a digital audio disc. Your player cannot play the following discs:
- CD-ROM, CD-RW, CD-i, VCD, or DVDs
- CD-R discs that are not finalized or
- two-sided, CD/DVD discs (called DualDisc or Flip Disc)
DualDiscs or Flip Discs can cause problems when you play them, and can get stuck in your player.