Why does my MacBook make a crunching sound whenever I put a disc into the

[hah107]

dvd/cd drive? it doesn't effect how the movie plays but it really worries me

[jordanwhite2008]

This is just a motor inside the disc drive lining up so it can read the disc. Nothing to worry about.

[Kahless]

That's a pretty normal sound. It's just the mechanical parts lining up.

[Kahless]

That's a pretty normal sound. It's just the mechanical parts lining up.