iMac (27-inch, Mid 2010) Symptom Charts — Mass Storage 79
2010-09-09
Deep Dive
Check Result Action Code
1. Verify if media is free to spin
without optical drive scraping
edge or surface of media.
Yes Go to step 3.
No Go to step 2
2. Reseat optical drive in
enclosure and verify that a
media can be inserted without
being scratched
Yes Go to step 3
No Replace optical drive and
retest.
J05
3. Test both CD and DVD media.
Verify if drive can read both CD
and DVD media.
Yes Go to step 7.
No If both types of media fail,
check that Finder Preferences
are set to “show CD’s and
DVD’s”, then go to step 4.
If only one type of media fails,
drive has a laser pickup issue.
Replace optical drive.
J03
4. Install known-good optical
drive and verify if both CD and
DVD media are read reliably.
Yes Both SATA cable and port on
logic board appear good. Go
to step 6.
No Go to step 5.
5. Continue to use known-good
optical drive. Reseat optical
drive SATA+Power cable
connection at logic board ends
(cable connects to back of logic
board). Verify if both CD and
DVD media are read reliably.
Yes Go to step 6.
No Replace SATA cable and retest.
If issue persists, replace logic
board.
Go to step 7.
X03
M19
6. Reinstall user’s optical drive
and verify if both CD and DVD
media are read reliably.
Yes Go to step 7.
No Replace user’s optical drive. J03
7. Test write data to compatible
CD and DVD media. Verify if
burned media is recognized
and read reliably.
Yes Issue resolved.
No Run ODD sensor and ODD fan
tests in ASD:
If errors found check
ODD sensor and ODD fan
connections to logic board
(read/write errors may be due
to drive getting too hot).
If no errors are found
while running latest Apple
diagnostics, replace optical
drive.
J03