Solving Problems 39
Keyboard Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide.
Lockups and Software Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide.
The computer does not start up
The computer stops responding
NOTICE: You may lose data if you are unable to perform an operating system shutdown.
CHECK THE KEYBOARD CABLE —
• Ensure that the keyboard cable is firmly connected to the computer.
• Reconnect the keyboard cable as shown on the setup diagram for your computer.
• Ensure that the cable is not damaged or frayed and check cable connectors for bent or broken pins.
Straighten any bent pins.
• Remove any keyboard extension cables and connect the keyboard directly to the computer.
TEST THE KEYBOARD — Connect a properly working keyboard to the computer, then try using the
keyboard.
RUN THE HARDWARE TROUBLESHOOTER — See "Resolving Software and Hardware Incompatibilities"
on page 56.
CHECK THE DIAGNOSTIC LIGHTS — See "Diagnostic Lights" on page 49.
ENSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND TO THE ELECTRICAL
OUTLET
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 hold the power button for at least 8 to 10 seconds, until the computer
turns off, and then restart your computer.
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