Apple MD094LL/A Manuale Utente

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

 2010-09-09

5.  Verify if a known-good 

unlocked SD card can now be 

correctly read and written.

Yes

Go to step 6.

No

Replace SD reader board.

6.  Lock the user’s SD card and 

verify if it can’t be written.

Yes

Issue resolved.

No

Replace SD reader board.

1.  Verify if existing symptom code 

applies to issue reported by 

user.

Yes

Jump to appropriate 

symptom code flow.

No

Document reported failure 

and send feedback to 

stating that a suitable 

symptom code wasn’t found. 

Provide as much detail as 

possible.