IBM 9228 Service Guide - Page 129
Keyboard, mouse, or pointing-device problems, For problems with a USB, mouse or pointing device
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Keyboard, mouse, or pointing-device problems For problems with a USB, mouse or pointing device, see "USB port problems" on page 117. v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, "Parts listing, Type 9228 and 9232," on page 19 to determine which components 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 a trained service technician. Symptom Action All or some keys on the keyboard do not work. 1. Make sure that: v The keyboard cable is securely connected to the computer, and the keyboard and mouse cables are not reversed. v The computer and the monitor are turned on. 2. Replace the following components one at a time, in the order shown, restarting the computer each time: a. Keyboard b. (Trained service technician only) System board The mouse or pointing device does not work. 1. Make sure that: v The mouse or pointing-device cable is securely connected and the keyboard and mouse cables are not reversed. v The mouse or pointing device drivers are installed correctly. 2. Replace the following components one at a time, in the order shown, restarting the computer each time: a. Mouse or pointing device b. (Trained service technician only) System board Chapter 5. Diagnostics 111