Apple LATE 2009 manual H04, H05

5.	Inspect hard drive, interconnect	Yes	Replace interconnect board.	H04
	board, and connectors for bent		Go to step 8
	pins, or other damage to the
	cable.
		No	Go to step 6
6.	Reseat interconnect board,	Yes	Go to step 8
	hard drive and logic board
		No	Replace interconnect board,	H04
	connections and verify whether
	computer starts up		go to step 8
7.	Test with known good hard	Yes	Install user drive, go to step 9
	drive. Verify that system boots
		No	Interconnect board verified
	successfully and that Disk utility
	‘Verify’ function reports no		or replaced and known good
	errors.		Hard drive installed, replace
			logic board.
8.	Reboot computer. Verify that	Yes	Issue resolved. Return system
	system boots successfully and		to user.
	that Disk utility ‘Verify’ function
		No	Go to step 7
	reports no errors.
9.	Reboot computer. Verify that	Yes	Issue resolved
	system boots successfully and
		No	Hard drive appears to be
	that Disk utility ‘Verify’ function
	reports no errors.		defective. Go to step 10
10. Replace hard drive. Does drive		Yes	Issue resolved by replacing	H05
	format correctly with a GUID		hard drive.
	partition map and install Mac
	OS without errors?	No	Interconnect board verified
			or replaced and known good
			Hard drive installed, replace
			logic board..

2009-11-03 Mac mini (Late 2009) Symptom Charts — Mass Storage  47