Why won’t some DVDs play on my DVD player?

Why won’t some DVDs play on my DVD player? Use a soft cloth to clean the disc ; the disc may have fingerprints or smudges. Examine the disc for any cracks or scratches that might be interfering with playback. Make sure the disc playback is not restricted by parental control options. Make sure the DVD disc is compatible with the player.

Use a soft cloth to clean the disc ; the disc may have fingerprints or smudges. Examine the disc for any cracks or scratches that might be interfering with playback. Make sure the disc playback is not restricted by parental control options. Make sure the DVD disc is compatible with the player.