Dell Dimension 8400 - Manual (Page 38)

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
I F YOU HAVE PROBLEMS WITH A D ELL I E E E 1 3 9 4 DEVICE — Contact Dell (see page 123).
I F YOU HAVE PROBLEMS WITH A NON - D ELL I E E E 1 3 9 4 DEVICE — Contact the manufacturer of the
IEEE 1394 device.
C HECK 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.
T EST THE KEYBOARD — Connect a properly working keyboard to the computer, and try using the
keyboard.
R UN THE H ARDWARE T ROUBLESHOOTER — See page 58.
C HECK THE D IAGNOSTIC L IGHTS — See page 49.
E NSURE THAT THE P OWER C ABLE IS F IRMLY C ONNECTED TO T HE C OMPUTER AND TO T HE
E LECTRICAL O UTLET