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Options").
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, replace the faulty fan (see "System Fans" in "Installing System Options").
If the problem is not resolved after a replacement fan is installed, see "Getting Help."
Troubleshooting Expansion Cards
Problem
l Expansion card is not operating properly
l System message indicates a problem with an expansion card
l Expansion-card filler brackets are not installed over empty expansion slots
l Expansion-card cable(s)
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 each expansion card is firmly seated in its connector (see "Installing an Expansion Card" in "Installing System Options").
5. Ensure that any appropriate cables are firmly connected to their corresponding connectors on the expansion cards.
6. Ensure that expansion-card filler brackets are installed over any empty expansion slots (see "Removing an Expansion Card" in "Installing System
Options").
7. Stand the system upright.
8. Install the cover (see "Installing the Cover").
9. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
10. Run Quick Tests in the system diagnostics (see "Running the System Diagnostics").
If the problem persists, continue to step11.
11. Turn off the system, including any attached peripherals, and disconnect the system from its electrical outlet.
12. Remove the cover (see "Removing the Cover").
13. Remove all expansion cards installed in the system (see "Removing an Expansion Card" in "Installing System Options").
14. Stand the system upright.
15. Install the cover (see "Installing the Cover").
16. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
17. Run Quick Tests in the system diagnostics (see "Running the System Diagnostics").
If the tests fail, see "Getting Help."
18. For each expansion card, perform the following steps:
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.
NOTICE: When troubleshooting an expansion card, see the documentation for your operating system and the expansion card.