Optional-device problemsv Follow the suggested actions in the order in which they are listed in the Action column until the problem issolved.v See Chapter 5, “Parts listing,” on page 153 to check if a component is a consumable, structural, or FRU part.v If an action step is preceded by “(Trained technician only),” that step must be performed only by a trainedtechnician.Symptom ActionAn IBM optional device thatwas just installed does notwork.1. Make sure that:v The device is designed for the server (see http://www.ibm.com/systems/info/x86servers/serverproven/compat/us/).v You followed the installation instructions that came with the device and thedevice is installed correctly.v You have not loosened any other installed devices or cables.v You updated the configuration information in the Setup utility. Whenevermemory or any other device is changed, you must update the configuration.2. Reseat the device that you just installed.3. Replace the device that you just installed.An IBM optional device thatworked previously does notwork now.1. Make sure that all of the cable connections for the device are secure.2. If the device comes with test instructions, use those instructions to test thedevice.3. If the failing device is a SCSI device, make sure that:v The cables for all external SCSI devices are connected correctly.v The last device in each SCSI chain, or the end of the SCSI cable, isterminated correctly.v Any external SCSI device is turned on. You must turn on an external SCSIdevice before you turn on the server.4. Reseat the failing device.5. Replace the failing device.142 System x3650 M4 BD Type 5466: Installation and Service Guide