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Mac mini (Late 2009) Symptom Charts — Startup and Power 
18
 2009-11-03
Symptom Charts
Follow the steps in the order indicated below. If an action resolves the issue, retest the system 
to verify.
Note: A compilation of Quick Check tables is available at: 
Startup and Power
No Power, Dead Unit
Unlikely cause:  speakers
Quick Check
Symptoms
Quick Check
No Power, Dead Unit
No power
• 
No LED
• 
No fan spin
• 
No startup chime
• 
No image on external display
• 
No hard drive or optical drive 
• 
activity 
Caps Lock LED on wired 
• 
keyboard doesn’t light when 
pressed.
Verify power source.
1. 
Verify power cable.
2. 
Listen closely for signs of activity from system 
3. 
including: rotating fans, hard drive or optical drive 
activity, startup chime, etc. If there is activity then 
go to the ‘Startup and Power Issues’ symptom 
flow.