v 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, System x3750 M4 Types 8722 and 8733,” on page 195 to determine whichcomponents are customer 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 ActionA CD or DVD is not workingcorrectly. 1. Clean the CD or DVD.2. Replace the CD or DVD with new CD or DVD media.3. Run the CD or DVD drive diagnostic programs (see “Running the DSAPreboot diagnostic programs” on page 171).4. Reseat the CD or DVD drive (see “Removing a CD/DVD drive” on page 217and “Replacing a CD/DVD drive” on page 218). Make sure that the cable isconnected to the system board correctly and connected to the correct SATAport.5. Replace the CD or DVD drive.The CD or DVD drive tray isnot working but the drive isrecognized.1. Make sure that the server is turned on and the CD or DVD drive is enabled inthe Setup utility (see “Starting the Setup utility” on page 128).Note: The CD or DVD eject button may be disabled if booting from a CD orDVD by the operating system.2. Insert the end of a straightened paper clip into the manual tray-releaseopening.3. Reseat the CD or DVD drive (see “Removing a CD/DVD drive” on page 217and “Replacing a CD/DVD drive” on page 218).4. Replace the CD or DVD drive.Hypervisor 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, System x3750 M4 Types 8722 and 8733,” on page 195 to determine whichcomponents are customer 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 ActionIf an optional embeddedhypervisor flash device is notlisted in the expected bootorder, does not appear in thelist of boot devices, or a similarproblem has occurred.1. Make sure that the optional embedded hypervisor flash device is selected onthe boot manager ( Select Boot Device) at startup.2. Make sure that the embedded hypervisor flash device is seated in theconnector correctly (see “Removing a USB embedded hypervisor flash device”on page 236 and “Replacing a USB embedded hypervisor flash device” onpage 237).3. See the documentation that comes with the optional embedded hypervisorflash device for setup and configuration information.4. Make sure that other software works on the server.174 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
