Apple Mac mini Late 2009 (Technician Guide) - Manual (Page 47)

Mac mini (Late 2009) Symptom Charts — Mass Storage 47 2009-11-03
Inspect hard drive, interconnect 5.
board, and connectors for bent
pins, or other damage to the
cable.
Yes Replace interconnect board.
Go to step 8
H04
No Go to step 6
Reseat interconnect board, 6.
hard drive and logic board
connections and verify whether
computer starts up
Yes Go to step 8
No Replace interconnect board,
go to step 8
H04
Test with known good hard 7.
drive. Verify that system boots
successfully and that Disk utility
‘Verify’ function reports no
errors.
Yes Install user drive, go to step 9
No Interconnect board verified
or replaced and known good
Hard drive installed, replace
logic board.
Reboot computer. Verify that 8.
system boots successfully and
that Disk utility ‘Verify’ function
reports no errors.
Yes Issue resolved. Return system
to user.
No Go to step 7
Reboot computer. Verify that 9.
system boots successfully and
that Disk utility ‘Verify’ function
reports no errors.
Yes Issue resolved
No Hard drive appears to be
defective. Go to step 10
Replace hard drive. Does drive 10.
format correctly with a GUID
partition map and install Mac
OS without errors?
Yes Issue resolved by replacing
hard drive.
H05
No Interconnect board verified
or replaced and known good
Hard drive installed, replace
logic board..