Apple Mac mini Late 2009 (Technician Guide) - Manual (Page 25)

Mac mini (Late 2009) Symptom Charts — Startup and Power 25 2009-11-03
Use known-good SDRAM in 3.
the system. Does the computer
start without kernel panic now?
Yes Install user’s SDRAM and test.
If kernel panic repeats, replace
SDRAM. Verify that the correct
SDRAM is being used.
X01
No Go to step 4.
Remove AirPort /Bluetooth card 4.
and test. Does the computer
start without kernel panic now?
Yes Go to AirPort Card Kernel
Panic symptom flow.
No Go to step 5.
Disconnect the Hard Drive from 5.
internal frame assembly and
startup to the Install DVD on
the optical drive, or an external
volume. Does the computer
start without kernel panic now?
Yes Go to Hard Drive Not
Recognized symptom flow.
No Go to step 6
Disconnect the Audio Board 6.
and test. Does the computer
start without kernel panic now?
Yes Replace the Audio Board X99
No Go to step 7.
Disconnect the Optical Drive 7.
from the internal frame
assembly and test. Does the
computer start without kernel
panic now?
Yes Go to Optical Drive not
recognized symptom flow
No Replace logic board.