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Troubleshooting a Nonredundant Power Supply
Problem
l Power indicator on the front panel does not light
l Systems management software issues a power supply–related message
l No power to the system
Action
1. Ensure that all power cables are properly connected to the system and any attached peripherals and to the electrical outlet (see "External
Connections").
2. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
3. Remove the cover (see "Removing the Cover").
4. Lay the system on its right side.
5. Ensure that the power cables are properly connected to the power connectors on the system board.
To identify system board connectors, see FigureA-3.
6. Stand the system upright.
7. Install the cover (see "Installing the Cover").
8. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
If the problem persists, see "Getting Help."
Troubleshooting System Cooling
Problem
l A fan is not operating properly
l System message indicates a problem with cooling
l Systems management software issues a fan-related error message
l Expansion-card filler brackets are not installed over empty expansion slots
Action
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2. Remove the cover (see "Removing the Cover").
3. Lay the system on its right side.
4. Ensure that the fan cables are properly connected to the fan connectors on the system board.
To identify system board connectors, see FigureA-3.
5. Ensure that expansion-card filler brackets are installed over any empty expansion slots (see "Removing an Expansion Card" in "Installing System
CAUTION: Before you perform this procedure, see "Safety First—For You and Your System."
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System Information Guide.
CAUTION: Before you perform this procedure, see "Safety First—For You and Your System."
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System Information Guide.