Apple LATE 2009 manual Symptoms Quick Check Optical Drive Noisy J04

3. Connect known good optical	Yes	Interconnect board
drive to Interconnect board. Do		connections on logic board
both types of media reliably		good. Go to step 5
read now?
	No	Replace Interconnect board
		and test (X03). If issue persists,
		replace logic board (M19). Go
		to step 6
4. Connect original optical drive	Yes	Interconnect board issue.	X03
to known good interconnect		Replace interconnect board.
board. Do both types of media		Go to step 6
reliably read now?
	No	Replace optical drive.	J03
5. Test write data to compatible	Yes	Issue resolved.
CD and DVD media. Verify
burned media is recognized	No	Go to step 7	J03
and reads reliably.
6. The balance of some media	Yes	Media issue. No repair
may not perform at higher		necessary.
speeds supported by the drive.
Does slowing the requested
	No	Replace optical drive.	J07
burn speed allow the discs to
write reliably?

Optical Drive Noisy

Quick Check

Symptoms		Quick Check
Optical Drive Noisy (J04)		1. Test optical media in another drive of the same
•	Noise during boot	type in same type of machine to rule out media
•	Noise during operation	issue.

•Noise when drive is copying or 2. Check with Known Good Discs like the Install

writing data	disks that came with the computer.
	3. Check to see if noise occurs without media in the
	drive. If so, check hard drive (H06) and fan (M18)
	caused noise.

2009-11-03 Mac mini (Late 2009) Symptom Charts — Mass Storage  59