Troubleshooting | PowerBook G3 SeriesTroubleshooting |
PowerBook G3 SeriesTroubleshooting
START
Reset the
Power Manager.
Press power button to begin boot sequence.
Do you | No | Does any | No | ||||
hear the | |||||||
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startup |
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tones? |
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Yes |
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1.Check the display cables.
2.Replace the power supply card.
3.Replace the PMU board.
4.Replace the sound card.
1.Check the volume.
2.Check the keyboard and display cables.
3.Replace the speaker.
4.Replace the I/O logic board.
Are the | No | ||
startup tones | |||
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normal? |
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Does a
gray screen No appear with
pointer?
Yes
See "Startup" in the
Symptom Charts.
1.Check display/inverter cable connections.
2.Replace the display and backlight cables.
3.Replace the inverter.
4.Replace the display.
5.Replace the I/O logic board.
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