Noisy disk

[tonytol]

Crouching Tiger disc sounds really loud spinning in my Wharfedale M5, like it's 'buzzing/vibrating'. All other discs are ok, hardly any noise. The disc looks ok, not visibly warped or marked. Any idea what's causing it?

[Simes]

You just about answered it yourself. :D

If its only that disc , then it must be a problem with the disc.
It could be slightly heavier on one side- so out of balance. Or the hole could be slightly off-centre..Either would cause vibration - causing noise.

It would be a bit difficult trying to explain to a retailer though in order to get it swapped.