IBM 68666AU User Guide - Page 119
Intermittent problems, Keyboard, mouse, or pointing-device problems, Action, or pointing
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Intermittent problems Intermittent problems A problem occurs only occasionally and is difficult to diagnose. Action Verify that: 1. All cables and cords are securely connected to the rear of the computer and attached devices. 2. When the computer is turned on, the fan grill is not blocked (there is air flow around the grill), and the fans are working. If air flow is blocked or the fans are not working, the computer might overheat. 3. If SCSI devices are installed, the last external device in each SCSI chain is terminated correctly. (See your SCSI documentation.) If you cannot correct the problem, have the computer serviced. Keyboard, mouse, or pointing-device problems Keyboard, mouse, or pointingdevice problems All or some keys on the keyboard do not work. The mouse or pointing device does not work. Action Verify that: 1. The computer and the monitor are turned on. 2. The keyboard cable is securely connected to the keyboard connector on the computer. For the location of the keyboard connector, see "Connecting computer cables" on page 13. If you cannot correct the problem, have the keyboard and computer serviced. Verify that: 1. The mouse or pointing-device cable is securely attached to the proper connector on the computer. Depending on the type of mouse you have, the mouse cable will connect to either the mouse or serial connector. To find the mouse and serial connectors, see "Connecting computer cables" on page 13. 2. The device drivers for the mouse are installed correctly. If you cannot correct the problem, have the device and computer serviced. Chapter 6. Troubleshooting 103
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