6. See controller and management software documentation. If the problem isassociated with a specific function (for example, if a RAID hard disk drive ismarked offline in the RAID array), see the documentation for the associatedcontroller and management or controlling software to verify that the controlleris correctly configured.Problem determination information is available for many devices such as RAIDand network adapters.For problems with operating systems or IBM software or devices, go tohttp://www.ibm.com/supportportal/ .7. Check for troubleshooting procedures and RETAIN tips. Troubleshootingprocedures and RETAIN tips document known problems and suggestedsolutions. To search for troubleshooting procedures and RETAIN tips, go tohttp://www.ibm.com/supportportal/ .8. Use the troubleshooting tables. See “Troubleshooting by symptom” on page173 to find a solution to a problem that has identifiable symptoms.A single problem might cause multiple symptoms. Follow the troubleshootingprocedure for the most obvious symptom. If that procedure does not diagnosethe problem, use the procedure for another symptom, if possible.If the problem remains, contact IBM or an approved warranty service providerfor assistance with additional problem determination and possible hardwarereplacement. To open an online service request, go to http://www.ibm.com/support/electronic/portal/ . Be prepared to provide information about anyerror codes and collected data.Undocumented problemsIf you have completed the diagnostic procedure and the problem remains, theproblem might not have been previously identified by IBM. After you haveverified that all code is at the latest level, all hardware and software configurationsare valid, and no light path diagnostics LEDs or log entries indicate a hardwarecomponent failure, contact IBM or an approved warranty service provider forassistance.To open an online service request, go to http://www.ibm.com/support/electronic/portal/ . Be prepared to provide information about any error codes and collecteddata and the problem determination procedures that you have used.Service bulletinsIBM continually updates the support website with the latest tips and techniquesthat you can use to solve problem that you might have with the IBM System x3750M4 server.To find service bulletins that are available for the IBM System x3750 M4 server, goto http://www.ibm.com/supportportal/ and search for 8722 or 8733, and retain.Chapter 4. Troubleshooting 151