Dell PowerEdge 850 - Manual (Page 36)

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 Components."
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 an Optical Drive
Problem
l System cannot read data from a CD.
l Optical 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 your 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. Ensure that the optical drive interface cable is securely connected to the drive and the system board. To identify the connector on the system board, see
Figure A -3 .
6. Ensure that a power cable is securely connected to the drive.
7. 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 Tape Drive
Problem
l Defective tape drive.
l Defective tape cartridge.
CAUTION: See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting
against electrostatic discharge.