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Troubleshooting 72
Hardware problems
Power problems (on page 73)
General hardware problems (on page 74)
Internal system problems (on page 76)
System open circuits and short circuits (on page 84)
External device problems (on page 84)
Audio problems (on page 85)
Printer problems (on page 86)
Mouse and keyboard problems (on page 86)
Modem problems (on page 86)
Network controller problems (on page 88)