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Troubleshooting 71
Hardware problems
Power problems (on page 72)
General hardware problems (on page 73)
Internal system problems (on page 75)
System open circuits and short circuits (on page 83)
External device problems (on page 83)
Audio problems (on page 84)
Printer problems (on page 85)
Mouse and keyboard problems (on page 85)
Modem problems (on page 85)
Network controller problems (on page 87)