Keyboard, mouse, or pointing-device problemsv Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 4, “Parts listing, System x3250 M3 Types 4251, 4252, and 4261,” on page 119 to determinewhich components are customer replaceable units (CRU) and which components are field replaceableunits (FRU).v If an action step is preceded by “(Trained service technician only),” that step must be performed only by aTrained service technician.v Go to the IBM support website at http://www.ibm.com/systems/support/ to check for technical information,hints, tips, and new device drivers or to submit a request for information.Symptom ActionAll or some keys on thekeyboard do not work. 1. Make sure that the keyboard cable is securely connected.2. 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.3. Replace the following components one at a time, in the order shown, restartingthe server each time:a. Keyboardb. (Trained service technician only) System boardThe mouse or pointing devicedoes not work. 1. Make sure that:v The mouse or pointing-device cable is securely connected to the server.v The mouse or pointing-device 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 pointing device and it is connected to a USBhub, disconnect the mouse or pointing device from the hub and connect itdirectly to the server.3. Move the mouse or pointing device cable to another USB connector.4. Replace the following components one at a time, in the order shown, restartingthe server each time:a. Mouse or pointing deviceb. (Trained service technician only) System boardChapter 3. Diagnostics 61
