Chapter 7. TroubleshootingThis chapter describes the diagnostic tools that are available to help you solve problems that might occur inthe server.If you cannot diagnose and correct a problem by using the information in this chapter, see Appendix A“Getting help and technical assistance” on page 125 for more information.Troubleshooting tablesUse the troubleshooting tables to find solutions to problems that have identifiable symptoms.If you have just added new software or a new optional device and the server is not working, complete thefollowing steps before you use the troubleshooting tables:1. Check the operator information panel.2. Remove the software or device that you just added.3. Reinstall the new software or new device.DVD drive problems• Follow the suggested actions in the order in which they are listed in the Action column until the problem issolved.• See the parts listing in the Hardware Maintenance Manual to determine which components are customerreplaceable units (CRUs) and which components are field replaceable units (FRUs).• If an action step is preceded by “(Trained service technician only),” that step must be performed only bya trained service technician.Symptom ActionThe DVD drive is notrecognized.1. Make sure that:• The SATA channel to which the DVD drive is attached (primary or secondary)is enabled in the Setup Utility program.• All cables and jumpers are installed correctly.• The signal cable and connector are not damaged and the connector pinsare not bent.• The correct device driver is installed for the DVD drive.2. Reseat the following components:a. DVD driveb. DVD drive cables3. 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. Reseat the DVD drive.3. Replace the DVD drive.© Copyright Lenovo 2010, 2011 111
