Apple Power Macintosh G3 Minitower Dokumentacja Strona 250

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Troubleshooting Symptom Charts/System - 16
Symptom Charts
System
Fan on power supply
is running, but no
startup chime, screen
is black, drive not
accessed at startup,
and no LED on front of
system
1 Verify power supply voltage switch is set correctly for your
region (see “Voltage Switch” in Basics chapter for more
information).
2 Check jumper block J28. Be sure setting is correct for type
of power supply installed (see “Logic Board” in Take Apart
chapter for more information).
3 Check jumper block configuration at J16. Make sure jumper
block is correct color for processor type installed (see
“Processor Module” in Take Apart chapter for more
information) and that it is installed in the correct direction.
4 Reseat voltage regulator.
5 Reseat processor module. Make sure locking arm is in down
position.
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