Dell PowerEdge SC 420 - Manual (Page 40)

19. Close the system. See " Closing the System ."
20. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
21. Run the appropriate online diagnostic test to see whether the diskette drive works correctly.
22. Repeat step 16 through step 21 until all expansion cards are reinstalled or one of the expansion cards causes the tests to fail.
If the problem is not resolved, see " Getting Help ."
Troubleshooting a CD Drive
Problem
l System cannot read data from a CD in an IDE CD drive.
l CD drive indicator does not blink during boot.
Action
1. Try using a different CD that you know works properly.
2. Enter the System Setup program and ensure that the drive's IDE controller is enabled. See "Using the System Setup Program" in the User's Guide.
3. Run the appropriate online diagnostic test. See " Using Server Administrator Diagnostics " in "Running System Diagnostics."
4. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
5. Open the system. See " Opening the System ."
6. Ensure that the CD interface cable is securely connected to the CD drive and to the controller.
7. Ensure that a power cable is properly connected to the drive.
8. Close the system. See " Closing the System ."
9. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
If the problem is not resolved, see " Getting Help ."
Troubleshooting a SCSI Hard Drive
Problem
l Device driver error.
l Hard drive not recognized by the system.
Action
1. Restart the system and enter the SCSI configuration utility.
CAUTION: See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting
against electrostatic discharge.
CAUTION: See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting
against electrostatic discharge.
NOTICE: This procedure can destroy data stored on the hard drive. Before you continue, back up all files on the hard drive.