Dell T105 Systems owner manual Troubleshooting Your System

4Open the system. See "Opening the System" on page 47.

5Ensure that each expansion card is firmly seated in its connector. See "Installing an Expansion Card" on page 72.

6Close the system. See "Closing the System" on page 47.

7Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

If the problem persists, go to the next step.

8Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

9Open the system. See "Opening the System" on page 47.

10Remove all expansion cards in the system. See "Removing an Expansion Card" on page 70.

NOTE: If your operating system is running off a disk controller card (such as a SAS controller card), do not remove it.

11Close the system. See "Closing the System" on page 47.

12Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

13Run the appropriate online diagnostic test.

If the tests fail, see "Getting Help" on page 137.

14For each expansion card you removed in step 10, perform the following steps:

a Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

b Open the system. See "Opening the System" on page 47. c Reinstall one of the expansion cards.

d Close the system. See "Closing the System" on page 47.

e Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

fRun the appropriate online diagnostic test.

If the tests fail, repeat step 14 for each expansion card until you are able to single out the faulty expansion card.

If the tests fail for all expansion cards, see "Getting Help" on page 137.

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Troubleshooting Your System