The DVD keep spinning but won't play

See the next steps and fix it. God bless you
Clean a DVD disc:

1. Hold the disc by its central hub and outside edge.
2. Blow dust from the bottom surface with a can of compressed air.
3. Clean dirt and fingerprints from the bottom surface with a lint-free cloth dampened with CD/DVD-cleaning fluid or denatured alcohol, wiping from the center outward.
4. Clean the objective lens:
   
5. Remove the housing and lift the hold-down clamp to expose the lens.
6. Remove dust with canned air or soft brush. If needed, use a foam swab or a camera-lens tissue dampened with lens fluid.