58 Solving Problems
Keyboard Problems CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
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
CHECK THE KEYBOARD CABLE —
• Ensure that the keyboard cable is firmly connected to the computer.
• Shut down the computer (see "Turning Off Your Computer" on page98),
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.
TEST THE KEYBOARD —Connect a properly working keyboard to the computer,
and try using the keyboard.
ENSURE THAT THE USB PORTS ARE ENABLED IN THE SYSTEM SETUP
PROGRAM —See "System Setup" on page172.
RUN THE HARDWARE TROUBLESHOOTER—See "Resolving Software and
Hardware Incompatibilities" on page87.
ENSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND
TO THE ELECTRICAL OUTLET
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