Apple Macbook Pro Aluminum 13-Inch Black Laptop Keyb Technical Guide - Page 89

4. Disc spin should cease 30 Yes seconds after mounting data CD on OS desktop. Is the noise related to disc spin? No 5. Remove the optical drive and Yes check for the correct seating of the brackets on the optical No drive and in the top case. Reinstall drive in unit and retest. Verify if drive is still noisy. 6. Eject known good data CD. Yes Disc handling noise should be one pop of disc from motor hub and a motor gear sound driving disc out of optical drive. Is noise above No normal and related to disc eject activity or multiple eject attempts? 7. Disc spin should cease 30 Yes seconds after mounting data CD on desktop. Media may be mounting on a defective internal spindle hub. Is the No noise related to disc spin? Go to step 5. Go to step 6. Go to step 6. Issue resolved. Optical drive was not properly mounted in enclosure. (Possible physical damage to optical drive.) (J05) Replace optical drive. J02 Go to step 7. Replace optical drive. J04 Noise does not appear to be related to optical drive. 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Symptom Charts - Mass Storage 89