TroubleshootingSymptom Charts/System - 4

System

Front power switch

1

Check LED connection to logic board.

LED does not light up

2

Check polarity of LED connector on logic board. Triangle

 

3

should be over pin 1.

 

Check cable for cuts (especially under CD-ROM drive).

 

4

Replace LED harness.

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Apple 4400/200 PC manual TroubleshootingSymptom Charts/System