Apple MD094LL/A manual Verify if media is free to spin, Media can be inserted without

Deep Dive

Check		Result	Action	Code
1.	Verify if media is free to spin	Yes	Go to step 3.
	without optical drive scraping
		No	Go to step 2
	edge or surface of media.
2.	Reseat optical drive in	Yes	Go to step 3
	enclosure and verify that a
		No	Replace optical drive and	J05
	media can be inserted without
			retest.
	being scratched
3.	Test both CD and DVD media.	Yes	Go to step 7.
	Verify if drive can read both CD
		No	If both types of media fail,
	and DVD media.
			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,	J03
			drive has a laser pickup issue.
			Replace optical drive.
4.	Install known-good optical	Yes	Both SATA cable and port on
	drive and verify if both CD and		logic board appear good. Go
	DVD media are read reliably.		to step 6.
		No	Go to step 5.
5.	Continue to use known-good	Yes	Go to step 6.
	optical drive. Reseat optical
		No	Replace SATA cable and retest.	X03
	drive SATA+Power cable
	connection at logic board ends		If issue persists, replace logic	M19
	(cable connects to back of logic
			board.
	board). Verify if both CD and
			Go to step 7.
	DVD media are read reliably.
6.	Reinstall user’s optical drive	Yes	Go to step 7.
	and verify if both CD and DVD
		No	Replace user’s optical drive.	J03
	media are read reliably.
7.	Test write data to compatible	Yes	Issue resolved.
	CD and DVD media. Verify if
		No	Run ODD sensor and ODD fan
	burned media is recognized
			tests in ASD:
	and read reliably.
			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	J03
			while running latest Apple
			diagnostics, replace optical
			drive.

2010-09-09 iMac (27-inch, Mid 2010) Symptom Charts — Mass Storage  79