iMac (27-inch, Mid 2010) Symptom Charts — Mass Storage 83
2010-09-09
SD Card Will Not Insert Into Slot
Unlikely cause: LCD panel, logic board, optical drive, hard drive
Quick Check
Symptom Quick Check
SD Card will not insert into slot
• SD Memory Card does not fully
seat into slot
• Card slot does not align with
enclosure.
1. The SD card must be a 32 mm by 24 mm by 2.1
mm. You can also use thinner cards, such as Multi
Media Cards (MMC).
2. Clear any obstruction in SD card slot.
Deep Dive
Check Result Action Code
1. Verify if known-good SD card
ts in slot.
Yes Ask user to replace defective
or out-of-spec SD card.
No Loosen the SD board screws,
then insert known-good SD
card again. Go to step 2.
2. Verify if known-good SD card
now ts in slot.
Yes Tighten SD reader board
screws. Go to step 3.
No Replace SD reader and retest. X24
3. Verify if SD card now ejects
and inserts without issue.
Yes Issue resolved by SD reader
board alignment.
No Replace SD reader board. X24