v Follow the suggested actions in the order in which they are listed in the Action column until the problem issolved.v If an action step is preceded by “(Trained technician only),” that step must be performed only by a trainedtechnician.Symptom ActionThe server resets (restarts)occasionally. 1. If the reset occurs during POST and the POST watchdog timer is enabled (clickSystem Settings --> Integrated Management Module --> POST WatchdogTimer in the Setup utility to see the POST watchdog setting), make sure thatsufficient time is allowed in the watchdog timeout value (POST WatchdogTimer). If the server continues to reset during POST, see Appendix B,“UEFI/POST error codes,” on page 591 and Appendix C, “DSA diagnostic testresults,” on page 611.2. If the reset occurs after the operating system starts, disable any automaticserver restart (ASR) utilities, such as the IBM Automatic Server Restart IPMIApplication for Windows, or any ASR devices that are be installed.Note: ASR utilities operate as operating-system utilities and are related to theIPMI device driver. If the reset continues to occur after the operating systemstarts, the operating system might have a problem; see “Software problems” onpage 145.3. If neither condition applies, check the event logs (see “Event logs” on page124).Keyboard, mouse, or pointing-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 ActionAll or some keys on thekeyboard do not work. 1. Make sure that:v The keyboard cable is securely connected.v The server and the monitor are turned on.2. If you are using a USB keyboard, run the Setup utility and enable keyboardlessoperation.3. If you are using a USB keyboard and it is connected to a USB hub, disconnectthe keyboard from the hub and connect it directly to the server.4. Replace the keyboard.The mouse or USB-device doesnot work. 1. Make sure that:v The mouse or USB device cable is securely connected to the server.v The mouse or USB device drivers are installed correctly.v The server and the monitor are turned on.v The mouse option is enabled in the Setup utility.2. If you are using a USB mouse or USB device and it is connected to a USB hub,disconnect the mouse or USB device from the hub and connect it directly tothe server.3. Replace the mouse or USB-device.136 System x3650 M4 BD Type 5466: Installation and Service Guide
