Dell PowerEdge SC 420 - Manual (Page 39)

11. Reinstall the memory modules. See " Installing a Memory Module " in "Installing System Options."
12. Close the system. See " Closing the System ."
13. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
14. Enter the System Setup program and check the system memory setting. See "Using the System Setup Program" in your User's Guide.
If the problem persists, see " Getting Help ."
Troubleshooting a Diskette Drive
Problem
l Error message indicates a diskette drive problem.
Action
1. Enter the System Setup program and verify that the diskette drive is configured correctly. See "Using the System Setup Program" in the User's Guide.
2. Run the appropriate online diagnostic test. See " Using Server Administrator Diagnostics " in "Running System Diagnostics."
3. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
4. Open the system. See " Opening the System ."
5. Ensure that the diskette drive interface cable is securely connected to the diskette drive and the system board. See Figure A -3 .
6. Ensure that a power cable is properly connected to the drive.
7. Close the system. See " Closing the System ."
8. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
9. Run the appropriate online diagnostic test to see whether the diskette drive works correctly.
10. Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
11. Open the system. See " Opening the System ."
12. Remove all expansion cards installed in the system. See " Removing an Expansion Card " in "Installing System Options."
13. Close the system. See " Closing the System ."
14. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
15. Run the appropriate online diagnostic test to see whether the diskette drive works correctly.
If the tests run successfully, an expansion card may be conflicting with the diskette drive logic, or an expansion card may be faulty. Continue to the next
step.
If the tests fail, see " Getting Help ."
16. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
17. Open the system. See " Opening the System ."
18. Reinstall one of the expansion cards you removed in step 12 . See " Installing an Expansion Card " in "Installing System Options."
CAUTION: See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting
against electrostatic discharge.