The DVD drive in my laptop has failed. I put the CD/DVD in, but the motor won't engage to take up the disc. I've been using it only occasionally, once two weeks ago to play a music CD, but now it's inoperable and all I wanted to do was watch a DVD movie. This is the second Apple-laptop DVD drive to fail like this, and the fourth DVD drive on an Apple system to fail for other reasons related to motors. I have other CD/DVD drives that have lasted ten years of frequent usage and exposure to non-ideal conditions, but none of them are compatible with the Mac. What should I do about this? Leave it alone as deadweight, look for a replacement DVD drive, or put another hard drive in the slot if that's even possible?