Apple Mac mini Late 2009 (Technician Guide) - Manual (Page 19)

Mac mini (Late 2009) Symptom Charts — Startup and Power 19 2009-11-03
Deep Dive
Unlikely cause: speakers
Check Result Action Code
Power ON system. Verify if 1.
there is any indication that the
system has powered up (fan
rotation, hard drive or optical
drive noise, backlight turns on).
Yes The symptom is powering
up. Jump to Won’t Start Up
symptom flow.
No Go to step 2.
Disconnect AC power from 2.
adapter for 1 minute, and
reconnect. Does the system
power on when power ON
button is pressed?.
Yes It is possible for the power
adapter to trip. After problem
is identified, determine if the
adapter continues to trip.
Replace as needed.
Code may be a P01 (if adapter
is replaced)
No Go to step 3
Does the unit power on with 3.
known good power adapter?
Yes Bad power adapter, replace
and retest.
P01
No Go to step 4.
Remove drive internal frame 4.
assembly SDRAM, and AirPort/
Bluetooth card. Connect power
adapter. When the ON button is
pressed, does the LED light?
Yes Go to Won’t Start Up
symptom flow step 3
P16
No Go to step 5.
Inspect power ON button for 5.
damage, disconnect power ON
cable from logic board, and
short pins on connector. Does
the front LED power on?
Yes Bad power switch, replace
bottom housing.
X14
No Go to step 6
Disconnect LED, remove logic 6.
board from bottom housing.
Place the logic board on a
clean non-metallic surface.
Reconnect LED without
mounting in housing, Short
the power ON pins. Does the
LED light?.
Yes Bottom Housing causing an
issue with board, examine for
defects or replace.
X13
No Replace logic board and
retest.
M01