System information

Mac mini (Mid 2011) Symptom Charts — Startup and Power 30
2011-07-21
5. Verify if a thermal sensor or
fan failure is reported by latest
available service diagnostics.
Yes - If a fan failure is reported,
check for fan cable seating
and retest. If same failure
happens when retesting,
replace fan with known-good
one and retest. If issue does
not happen anymore with
the known-good fan, replace
user’s fan.
- If a thermal failure is
reported, check for cause of
excessive temperature, (like
clogged fan, disconnected
sensor cable, obstructed
vent, dust in heat sink n)
and retest. If still failing
locate aected sensor and
replace part where sensor
is integrated (logic board,
power supply) according to
the sensor location table . Go
to step 6
X22
M23
P17
No Replace Thermal module
Go to step 6
X10
6. Isolate if issue solved.
Verify if shutdown/issue does
not happen anymore after part
exchange.
Yes Issue xed
No Replace logic board with
corresponding symptom:
-if for thermal error cause
-if for other cause
M18
M08