Hello, I am using an iBook 700mhrz (mhz)? Anyway, when I run a cd in the drive, especially my install cd's, the drive makes a whole bunch of "cshuuk, cshuuk, chuck, chuck" type sounds as if it is starting and stopping at rapid rates. The drive does read the cd's and works, but I just want to make sure nothing is wrong with the drive itself. I also use a toshiba satellite laptop and all it does is make a smooth whirring sound. Thanks.