If you cannot find a problem in these tables, see “Running the diagnostic programs”on page 138 for information about testing the server.If you have just added new software or a new optional device and the server is notworking, complete the following steps before you use the troubleshooting tables andprocedures:1. Check the light path diagnostics LEDs on the operator information panel (see“Light path diagnostics” on page 131).2. Remove the software or device that you just added.3. Run the diagnostic tests to determine whether the server is running correctly.4. Reinstall the new software or new device.DVD drive problemsv Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 3, “Parts listing, System x3500 Type 7977,” on page 41 to determine which components arecustomer replaceable units (CRU) and which components are field replaceable units (FRU).v If an action step is preceded by “(Trained service technician only),” that step must be performed only by atrained service technician.Symptom ActionThe DVD drive is notrecognized. 1. Make sure that:v The IDE channel to which the DVD drive is attached (primary or secondary)is enabled in the Configuration/Setup Utility program.v All cables and jumpers are installed correctly.v The signal cable and connector are not damaged and the connector pins arenot bent.v The correct device driver is installed for the DVD drive.2. Run the DVD drive diagnostic programs.3. Reseat the following components:a. DVD driveb. DVD drive cable4. Replace the following components one at a time, in the order shown, restartingthe server each time:a. DVD driveb. DVD drive and cablesc. (Trained service technician only) System boardA DVD is not working correctly. 1. Clean the DVD.2. Run the DVD drive diagnostic programs.3. Reseat the DVD drive.4. Replace the DVD drive.The DVD drive tray is notworking. 1. Make sure that the server is turned on.2. Insert the end of a straightened paper clip into the manual tray-releaseopening.3. Reseat the DVD drive.4. Replace the DVD drive.Chapter 5. Diagnostics 117
