[itronitron]

I don't recall how my friends and I figured this out, if we discovered it or just heard about it, but it became standard practice to carefully insert a finger into the disc drive and slow the spinning disc when loading up a copied disc in order to defeat any complaints from the OS. Not sure why this worked but it always did :)

[djmips]

That was also a trick to try and get a disk (of your own) that was having troubles to at least read to back it up.