Keyboard Problems; Lockups And Software Problems; The Computer Does Not Start Up - Dell DIMENSION 8400 Manual

F Y O U H A V E P R O B L E M S W I T H A
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F Y O U H A V E P R O B L E M S W I T H A N O N
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IEEE 1394 device.

Keyboard Problems

CAUTION:
located in the Product Information Guide.
H E C K T H E K E Y B O A R D C A B L E
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• Ensure that the keyboard cable is firmly connected to the computer.
• Shut down the computer (see page 63), 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 E S T T H E K E Y B O A R D
keyboard.
R U N T H E H A R D W A R E

Lockups and Software Problems

CAUTION:
located in the Product Information Guide.

The computer does not start up

H E C K T H E
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N S U R E T H A T T H E
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L E C T R I C A L
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40
Solving Problems
E L L
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Before you begin any of the procedures in this section, follow the safety instructions
—
— Connect a properly working keyboard to the computer, and try using the
T R O U B L E S H O O T E R
Before you begin any of the procedures in this section, follow the safety instructions
I A G N O S T I C I G H T S — See page 51.
D L
O W E R A B L E I S
P C
U T L E T
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D E V I C E
IEEE 1394 — Contact Dell (see page 125).
E L L D E V I C E
-D IEEE 1394
— See page 61.
I R M L Y O N N E C T E D T O
F C T
— Contact the manufacturer of the
H E O M P U T E R A N D T O H E
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