Diagnostic Codes - Dell Dimension 4200 Manual

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System Codes and Messages
Dell™ Dimension™ 4200
Diagnostic Codes
POST Beep Codes
System Messages

Diagnostic Codes

Your computer is equipped with four diagnostic lights, which are labeled "A," "B," "C," and "D" on the back of the computer. Each of the four lights can be
yellow, green, or off as shown in the following table. When the computer is turned on or restarted and it is functioning normally, the lights flash during POST.
After the computer starts, the lights remain green to signify normal computer operation.
If a malfunction is detected and the computer fails to start, the lights display a code that identifies the problem. Write down the diagnostic code displayed and
look it up in the following table.
Diagnostic Code Definition
Power up default.
System board is receiving
power, but the BIOS is not
executing.
Recovery mode from BIOS
failure.
Microprocessor has failed a
BIOS test.
Memory failed to be sized or
enabled.
PCI bus failure has occurred.
Video controller failed to
initialize or respond.
IDE bus failure has occurred.
USB port or a device
connected to it has failed
initialization.
Other failure.
Corrective Action
Make sure that the computer is connected to a known working electrical outlet, and then check
whether the front-panel power light on the
the power supply. If the problem persists, see "Contacting Dell" in the Solutions Guide for instructions
on obtaining technical assistance.
See "Safety Instructions," and then
"Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance.
Set the configuration jumper to Maintenance mode, and restart the computer. Exit and save changes
in the system setup program. Turn off the computer and reset the configuration jumper to Normal
mode, and then restart the computer.
See "Safety Instructions," and then
resource conflict exists. If a conflict exists,
Dell" in the Solutions Guide for instructions on obtaining technical assistance.
Set the configuration jumper to Maintenance mode and restart the computer. Exit and save changes
in the system setup program. Turn off the computer and reset the configuration jumper to Normal
mode, and then restart the computer.
See "Safety Instructions," and then
resource conflict exists. If a conflict exists, resolve the
Dell" in the Solutions Guide for instructions on obtaining technical assistance.
If the problem persists, see "Contacting Dell" in the Solutions Guide for instructions on obtaining
technical assistance.
Reseat the memory modules. If the problem persists, see "Contacting Dell" in the Solutions Guide for
instructions on obtaining technical assistance.
See "Safety Instructions," and then
resource conflict exists. If a conflict exists,
"Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance.
If the computer has a video card,
integrated video, see "Contacting Dell" in the Solutions Guide for instructions on obtaining technical
assistance.
Reseat the drive cables. If the problem persists, see "Contacting Dell" in the Solutions Guide for
instructions on obtaining technical assistance.
Disconnect the device from the USB
Solutions Guide for instructions on obtaining technical assistance.
See "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance.
power button is on or off. If the power light is off, check
remove all cards. If the computer still does not start, see
remove all cards and restart the computer to determine if a
resolve the conflict. If the problem persists, see "Contacting
remove all cards and restart the computer to determine if a
conflict. If the problem persists, see "Contacting
remove all cards and restart the computer to determine if a
resolve the conflict. If the problem still persists, see
reseat the video card. If the problem persists or the computer has
connector. If the problem persists, see "Contacting Dell" in the