NO DISC IN DRIVE
STOP CLICKING RETRY, YOU IDIOT
NO DISC IN DRIVE, AM I TALKING TO MYSELF HERE?
Presumably the light beam goes through instead of being properly blocked.
And another demonstration that I'm not very observant has taken place because I've owned this disc for at least a decade and never noticed. You gotta hold it up to the light, like this, and by Jove, the problem becomes, uh, clear:
So I grabbed the first piece of scrap paper at hand, cut a circle in it, Scotch[TM] taped it to the top of the disc:
... and the drive finally recognized it and let me pull off two tracks for a homemade compilation.
I can color in the lines too. Mostly.
Between houseguests (one batch leaves tomorrow. The next, for whom this disc is intended, arrives Wednesday) I'm assembling a nice photo essay on Graymatter. It'll go on the cat blog. Stay tuned.