Dell Dimension 5100 Owner's Manual - Page 32

Keyboard Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. CHECK THE KEYBOARD CABLE - • Ensure that the keyboard cable is firmly connected to the computer. • Shut down the computer (see page 53), reconnect the keyboard cable as shown on the setup diagram for your computer, and then restart the computer. • Check the cable connector for bent or broken pins and for damaged or frayed cables. Straighten bent pins. • Remove keyboard extension cables and connect the keyboard directly to the computer. TE S T T H E K E Y B O A R D - Connect a properly working keyboard to the computer, and try using the keyboard. R U N T H E H A R D W A R E TR O U B L E S H O O T E R - See page 49. Lockups and Software Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. The computer does not start up C H E C K T H E D I A G N O S T I C L I G H T S - See page 43. ENSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND TO THE ELECTRICAL OUTLET. The computer stops responding NOTICE: You might lose data if you are unable to perform an operating system shutdown. TU R N T H E C O M P U T E R O F F - If you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer turns off. Then restart your computer. 32 Solving Problems