321 Studios 8400 Series Keyboard Problems, Lockups and Software Problems

38 Solving Problems
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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
IF YOU HAVE PROBLEMS WITH A DELL IEEE 1394 DEVICE —Contact Dell (see page123).
IF YOU HAVE PROBLEMS WITH A NON-DELL IEEE 1394 DEVICE —Contact the manufacturer of the
IEEE 1394 device.
CHECK THE KEYBOARD CABLE —
• Ensure that the keyboard cable is firmly connected to the computer.
• Shut down the computer (see page 59), 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.
RUN THE HARDWARE TROUBLESHOOTER—See page 58.
CHECK THE DIAGNOSTIC LIGHTS —See page49.
ENSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND TO THE
ELECTRICAL OUTLET