IBM HS20 User Guide - Page 77
Mouse, problems, Network, connection
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Mouse problems Symptom The mouse does not work. Suggested action v Make sure that the keyboard/mouse/video select button LED on the front of the blade server is lit, indicating that the blade server is connected to the shared mouse. v Make sure that the mouse cable is securely connected to the management module and that the keyboard and mouse cables are not reversed. v Make sure that the mouse works correctly with other blade servers. v Make sure that the mouse is recognized as a USB device, not PS/2, by the blade server. Although the mouse is a PS/2-style device, communication with the mouse is through an internal USB bus in the BladeCenter unit. Some operating systems allow you to select the type of mouse during installation of the operating system. Select USB. If the problem remains, call for service. Network connection problems Symptom One or more blade servers are unable to communicate with the network. Suggested action Make sure that: v The switch modules for the network interface that you are using are installed in the correct bays and are configured and operating correctly. See the IBM BladeCenter Type 8677 Hardware Maintenance Manual and Troubleshooting Guide on the IBM BladeCenter Documentation CD or the IBM BladeCenter T Types 8720 and 8730 Hardware Maintenance Manual and Troubleshooting Guide on the IBM BladeCenter T Documentation CD for details. v The settings in the switch module are correct for the blade server (settings in the switch module are blade server specific). If you installed an optional I/O expansion card, make sure that: v The option is designed for the blade server. See the "Server Support" flowchart on the cover for information about obtaining ServerProven™ compatibility information from the World Wide Web. v You followed the installation instructions that come with the option. v The option is installed correctly. v You have not loosened any other installed options or cables. v You updated the configuration information in the Configuration/Setup Utility program. Whenever memory or an option is changed, you must update the configuration. If the problem remains, call for service. Chapter 6. Solving problems 63