Apple MC408LL Apple Technician Guide - Page 60

4. With known good optical drive Yes Known-good optical drive installed, test for media inject/ eject. Verify drive accepts and ejects known-good media. resolved issue J01 Replace user's optical drive: J02 -for an inject issue, -for an eject issue. No Optical drive cable verified or replaced, optical drive verified or replaced. Replace logic M19 board and retest. 5. Inspect optical drive slot during Yes Go to step 6 disc insert/ eject. Verify that discs can be inserted easily. No Replace damaged optical J05 drive. 6. With known good optical media (Install disc), test for media inject/eject. Does drive accept and eject known good media? Yes User media issue. No repair necessary. Suggest user to investigate use of different media. No Go to step 3 Optical Drive Read/Write Error Quick Check Symptoms Drive Read/Write Data Error (J03) • Errors when writing optical media. • Errors when reading optical media. • Hang when accessing or preparing to write data. Quick Check 1. Test optical media in another drive of the same type in the same type of computer to rule out media issue. 2. Check with known good discs like the Install discs that came with the computer. 3. For write issues, check with known good media that performs well in another computer optical drive of the same type. 4. Check both CD and DVD media types. If only one type of media is producing errors, there maybe a laser issue. 2010-08-03 Mac mini (Mid 2010) Symptom Charts - Mass Storage 60