Is it a particular DVD or all DVDs?
If just one, then try cleaning it.
If more than one, then get an audio CD cleaner and try it in the drive - the lens may be dirty and need cleaning.
Will the drive play CDs / run software?
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment booster votre iPhone ?