i have a three year old (intel-based) iMac Core Duo (32-bit). the SuperDrive failed, and have since bought an external. Everything was fine, until the dead superdrive caused some annoying sound issues, so i had it removed. ever since then, however, the disc drive fan has been running at 5200RPM nonstop. it is driving me insane, and have no idea how to fix it. any suggestions on what to do? i've tried several fancontrol apps, so don't point me to any of those.