Apple MD094LL/A manual Uncategorized Symptoms, Correctly read and written

5.	Verify if a known-good	Yes	Go to step 6.
	unlocked SD card can now be
		No	Replace SD reader board.	X24
	correctly read and written.
6.	Lock the user’s SD card and	Yes	Issue resolved.
	verify if it can’t be written.
		No	Replace SD reader board.	M17

Uncategorized Symptoms

Check	Result	Action	Code
1. Verify if existing symptom code	Yes	Jump to appropriate
applies to issue reported by		symptom code flow.
user.
	No	Document reported failure	N99
		and send feedback to
		smfeedback2@apple.com
		stating that a suitable
		symptom code wasn’t found.
		Provide as much detail as
		possible.

2010-09-09 iMac (27-inch, Mid 2010) Symptom Charts — Mass Storage  85