IBM 8872 Service Guide - Page 55
keyboard, mouse, pointing-device, problems
![]() |
UPC - 000435813060
View all IBM 8872 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 55 highlights
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 8872 and Type 8874," on page 93 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 The mouse or pointing device does not work. 1. If the server is attached to a KVM switch, bypass the KVM switch to eliminate it as a possible cause of the problem: connect the keyboard cable directly to the correct connector on the rear of the server. 2. 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 device drivers are installed correctly. v The mouse is enabled in the Configuration/Setup Utility program 3. Reseat the following components: a. Mouse or pointing device b. I/O board 4. Replace the components listed in step 3 one at a time, in the order shown, restarting the server each time. USB keyboard, mouse, or pointing-device problems 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 8872 and Type 8874," on page 93 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. If you have installed a USB keyboard, run the Configuration/Setup Utility program and enable keyboardless operation to prevent the POST error message 301 from being displayed during startup. 2. Make sure that: v The keyboard cable is securely connected and the keyboard and mouse cables are not reversed. v The server and the monitor are turned on. 3. Reseat the following components: a. Keyboard b. I/O board 4. Replace the components listed in step 3 one at a time, in the order shown, restarting the server each time. Chapter 2. Diagnostics 39
![](/manual_guide/products/ibm-8872-service-guide-0d7ed5c/55.png)