v Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See the parts listing in the Problem Determination and Service Guide to determine which components arecustomer 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 ActionThe USB mouse or USBpointing device does not work. 1. Make sure that:v The mouse is compatible with the server. See http://www.ibm.com/servers/eserver/serverproven/compat/us/.v The mouse or pointing-device USB cable is securely connected to theserver, and the device drivers are installed correctly.v The server and the monitor are turned on.2. If a USB hub is in use, disconnect the USB 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. (Only if the problem occurred with a front USB connector) Internal cables tothe operation information panelc. (Only if the problem occurred with a front USB connector) Operatorinformation paneld. (Trained service technician only) System board46 IBM System x3250 M2 Types 4190 and 4194: Installation Guide
