Dell Dimension 4500 - Manual (Page 36)

36 S o l v i n g Pr o b l e m s
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R EMOVE ANY RECENTLY ADDED HARDWARE TO SEE IF IT RESOLVES
THE CONFLICT — If removing the hardware resolves the conflict, see the
hardware documentation for configuration and troubleshooting instructions. If
the problem persists, contact the hardware manufacturer for technical assistance.
C HECK YOUR OPERATING SYSTEM DOCUMENTATION FOR ADDITIONAL
TROUBLESHOOTING INFORMATION
C HECK FOR INTERRUPT REQUEST CONFLICTS — See page 54.
R ESTART THE COMPUTER
• If the mouse is functioning, shut down the computer (see page 22). After the
computer shuts down, press the power button to restart the computer.
• If the computer does not respond to a keystroke or the mouse, press the power
button for at least 8 to 10 seconds until the computer turns off. Press the
power button again to restart the computer.
C HECK THE KEYBOARD CABLE
• Shut down the computer (see page 22), reconnect the keyboard cable as
shown on the Start Here setup diagram for your computer, and then restart the
computer.
• Ensure that the keyboard cable is firmly connected to 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.
T EST THE KEYBOARD — Connect a properly working keyboard to the
computer, and try using the keyboard. If the new keyboard works, the original
keyboard is faulty.
C HECK FOR INTERRUPT REQUEST CONFLICTS — See page 54.