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System Codes and Messages

Dell™ Dimension™ 2200

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.

No memory modules are

detected.

Memory modules are

detected, but a memory

configuration or compatibility

error exists.

PCI bus failure has occurred.

Video controller failed to

initialize or respond.

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 Owner's Manual for instructions

on obtaining technical assistance.

See

"Safety

Instructions," and then

"Contacting Dell" in the Owner's Manual for instructions on obtaining technical assistance.

Set the jumper

PSWD

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, see

the problem persists, see "Contacting Dell" in the Owner's Manual for instructions on obtaining

technical assistance.

Set the jumper

PSWD

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, see "Resolving Software and Hardware

the problem persists, see "Contacting Dell" in the Owner's Manual for instructions on obtaining

technical assistance.

If the problem persists, see "Contacting Dell" in the Owner's Manual for instructions on obtaining

technical assistance.

Reseat the memory

modules. If the problem persists, see "Contacting Dell" in the Owner's Manual for

instructions on obtaining technical assistance.

Reseat all memory

modules, and then restart the computer.

To eliminate the possibility of a faulty memory connector,

one memory module

(if the computer supports a single module), and then restart the computer.

If the computer starts normally, move the memory module to a different connector and restart

the computer. Continue until you have identified a faulty connector or reinstalled all modules

without error.

If the problem persists, see "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining

technical assistance.

Be sure that there are no special memory module/memory connector placement requirements.

Verify that the memory modules that you are installing are

If the problem persists, see "Contacting Dell" in the Dell Owner's Manual for instructions on obtaining

technical assistance.

See

"Safety

Instructions," and then

resource conflict exists. If conflict exists, see

problem still persists, see "Contacting Dell" in the Owner's Manual for instructions on obtaining

technical assistance.

See "Contacting Dell" in the Owner's Manual 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

"Resolving Software and Hardware

remove all cards

and restart the computer to determine if a

remove all memory

compatible with the

remove all cards

and restart the computer to determine if a

Resolving Software and Hardware Incompatibilities

Incompatibilities." If

modules,

reinstall

computer.

If the