Apple Mac mini (Mid 2011 Technical Information Seite 90

  • Herunterladen
  • Zu meinen Handbüchern hinzufügen
  • Drucken
  • Seite
    / 154
  • Inhaltsverzeichnis
  • FEHLERBEHEBUNG
  • LESEZEICHEN
  • Bewertet. / 5. Basierend auf Kundenbewertungen
Seitenansicht 89
Mac mini (Late 2009) Symptom Charts — Mechanical 90
2011-07-21
Deep Dive
Check Result Action Code
1. Run latest available service
utilities to check the thermal
sensors and fan functional
states. Was an error generated?
Yes Check fan connection to logic
board and retest.
No Go to step 2.
2. Does noise sound like fan is
running faster than expected?
Yes Reset SMC by disconnecting
power cord for ~15 seconds
then retest. If issue continues
go to step 3.
No Go to step 5.
3. If a hard drive is present, does
the noise change when the
drive is being accessed?
Yes Suspect issue with hard drive
Jump to Hard Drive Noisy
symptom ow for additional
information.
No Go to step 4.
4. Mute the system volume. Verify
whether the issue still occurs.
Yes Go to step 5.
No Suspect issue with speaker
or audio amplier circuitry.
Go to ‘Distorted Sound
From Internal Speaker
symptom ow for additional
information.
5. Remove bottom cover,
disconnect AirPort antenna
and remove shield, disconnect
and remove fan and rotate
its blades. Verify that fan
blades spin smoothly without
interference from fan housing
and does not produce
abnormal noise.
Yes Fan reseated, blades rotate,
noise gone.
No Reinstall fan , making sure
that the blades do not
interfere with other elements
or cable routings when
installed and retest. If fan
does not correctly spin or has
broken blade, replace aected
fan.
X23
Seitenansicht 89
1 2 ... 85 86 87 88 89 90 91 92 93 94 95 ... 153 154

Kommentare zu diesen Handbüchern

Keine Kommentare