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Symptom charts, Startup and power, No power, dead unit – Apple Mac mini Late 2009 (Technician Guide) User Manual

Page 18: Symptom charts 18, Startup and power 18, No power, dead unit 18

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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:

http://service.info.apple.com/QRS/en/quickreference.pdf

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.