Keyboard ProblemsLockups and Software ProblemsThe computer does not start upThe computer stops respondingA program stops respondingA program crashes repeatedlyCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.Check the keyboard cable —l Ensure that the keyboard cable is firmly connected to the computer.l Shut down your computer (see Turning Off Your Computer), reconnect the keyboard cable as shown in the Quick Reference Guide foryour computer, and then restart the computer.l Check the cable connector for bent or broken pins and for damaged or frayed cables. Straighten bent pins.l Remove keyboard extension cables and connect the keyboard directly to the computer.Test the keyboard — Connect a properly working keyboard to the computer, and try using the keyboard. If the new keyboard works, theoriginal keyboard is faulty.Check for Software and Hardware Conflicts — See Software and Hardware Incompatibilities.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.Check the Diagnostic Lights — See Diagnostic Lights.Ensure that the power cable is firmly connected to the computer and to the electrical outletNOTICE: You might lose data if you are unable to perform an operating system shutdown.Turn the computer off — If you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and holdthe power button for at least 8 to 10 seconds until the computer turns off. Then restart your computer.End the program —1. Press simultaneously.2. Click Applications.3. Click the program that is no longer responding.4. Click End Task.NOTE: Software usually includes installation instructions in its documentation or on a floppy disk or CD.
