Advanced Troubleshooting; Diagnostic Codes - Dell Dimension 2350 User Manual

Back to Contents Page

Advanced Troubleshooting

Dell™ Dimension™ 2350 Series
Diagnostic Codes
Beep Codes
System Messages
Dell Diagnostics

Diagnostic Codes

To help you troubleshoot a problem, your computer is equipped with four lights on the
green, or off. When the computer starts normally, the lights flash. After the computer starts, the lights remain green. If the computer malfunctions, the color
and sequence of the lights identify the problem.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.
Diagnostic Code Definition
The computer is in its normal
off condition or a possible pre-
BIOS failure has occurred.
The computer is in a BIOS
failure recovery mode.
The microprocessor has failed
a BIOS test.
Memory modules are detected,
but a memory failure has
occurred.
PCI bus failure has occurred.
The video controller failed to
initialize or respond.
No memory modules are
detected.
System board failure has
occurred.
Memory modules are detected,
but a memory configuration or
compatibility error exists.
Drivers
Using System Restore
Resolving Software and Hardware Incompatibilities
Reinstalling Microsoft® Windows® XP
Corrective Action
Ensure that the computer is connected to a known working electrical outlet, and then check whether
the front-panel power light on the
supply. If the problem persists, see "Contacting Dell" in your Owner's Manual for instructions on
obtaining technical assistance.
See the safety instructions in your Owner's Manual, and then
does not start, see "Contacting Dell" in your Owner's Manual for instructions on obtaining technical
assistance.
See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.
See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.
If you have one memory module installed,
l
If you have two or more memory modules installed, remove the modules,
l
and then restart the computer. If the computer starts normally, reinstall an additional module.
Continue until you have identified a faulty connector or reinstalled all modules without error.
If available, install properly working
l
If the problem persists, see "Contacting Dell" in your Owner's Manual for instructions on
l
obtaining technical assistance.
1. Determine if a conflict exists by
2. If the problem persists,
restart the computer.
3. Repeat this process for each card. If the computer starts normally, troubleshoot the last card
removed from the computer for resource conflicts (see
Incompatibilities").
If the problem persists, see "Contacting Dell" in your Owner's Manual for instructions on
l
obtaining technical assistance.
See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.
Reseat all memory
l
To eliminate the possibility of a faulty memory connector,
l
one memory module
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 your Owner's Manual for instructions on
l
obtaining technical assistance.
See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.
Be sure that there are no special memory module/memory connector placement requirements.
l
Verify that the memory modules that you are installing are
l
If the problem persists, see "Contacting Dell" in your Owner's Manual for instructions on
l
obtaining technical assistance.
back panel labeled "A," "B," "C," and "D." These lights can be yellow,
power button is on or off. If the power light is off, check the power
reinstall it
memory of the same type
removing a card and then restarting the computer.
reinstall the card that you removed, remove a different card, and then
modules, and then restart the computer.
(if the computer supports a single module), and then restart the computer.
remove all cards. If the computer still
and restart the computer.
reinstall one
into your computer.
"Resolving Software and Hardware
remove all memory modules, reinstall
compatible with the computer.
module,