iMac (27-inch, Mid 2010) Symptom Charts — Mass Storage 76
2010-09-09
Optical Drive Not Recognized
Unlikely cause: LCD panel, power supply, fans, speakers, camera, microphone
Quick Check
Symptoms Quick Check
Drive Not Recognized/Mount
• Discs inject and eject, but do
not appear in Finder
• Verify that optical media is not
physically damaged
1. Use System Proler Serial-ATA section to see if
optical drive appears.
2. System Proler Serial-ATA section will show any
media inserted.
3. Check Finder Preferences and make sure “CD’s,
DVD’s and iPods” is checked under “Show these
items on the desktop” in the General section.
Deep Dive
Check Result Action Code
1. Verify if optical drive is listed
in Serial-ATA section of System
Proler.
Yes Go to step 2.
No Go to step 3.
2. Test both CD and DVD media.
Verify if optical drive can read
both CD and DVD media.
Yes No issue, or possible
intermittent issue. Gather
more information from user.
No If both types of media fail,
check that Finder Preferences
are set to “show CD’s and
DVD’s”, then go to step 3.
If only one type of media fails,
drive has a laser pickup issue.
Replace optical drive.
J03
3. Connect known-good optical
drive to SATA cable. Verify if
both CD and DVD media are
read reliably.
Yes SATA cable and port on logic
board good. Go to step 5.
No Go to step 4.
4. Reseat SATA cable connections
at optical drive and logic board
(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 test.
If issue persists, replace logic
board.
Go to step 6.
X03
M19