Dell Dimension 2350 User Manual

Also see for 2350 - Wireless WLAN Broadband Router: Installation instructions Owner's manual Setup guide Installation guide Specifications

Contents

Back to Contents PageAdvanced TroubleshootingDell™ Dimension™ 2350 SeriesDiagnostic CodesTo help you troubleshoot a problem, your computer is equipped with four lights on the back panel labeled "A," "B," "C," and "D." These lights can be yellow,green, or off. When the computer starts normally, the lights flash. After the computer starts, the lights remain green. If the computer malfunctions, the colorand sequence of the lights identify the problem.Diagnostic CodesBeep CodesSystem MessagesDell DiagnosticsDriversUsing System RestoreResolving Software and Hardware IncompatibilitiesReinstalling Microsoft® Windows® XPCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.Diagnostic Code Definition Corrective ActionThe computer is in its normaloff condition or a possible pre-BIOS failure has occurred.Ensure that the computer is connected to a known working electrical outlet, and then check whetherthe front-panel power light on the power button is on or off. If the power light is off, check the powersupply. If the problem persists, see "Contacting Dell" in your Owner's Manual for instructions onobtaining technical assistance.See the safety instructions in your Owner's Manual, and then remove all cards. If the computer stilldoes not start, see "Contacting Dell" in your Owner's Manual for instructions on obtaining technicalassistance.The computer is in a BIOSfailure recovery mode.See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.The microprocessor has faileda BIOS test.See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.Memory modules are detected,but a memory failure hasoccurred.l If you have one memory module installed, reinstall it and restart the computer.l If you have two or more memory modules installed, remove the modules, reinstall one module,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.l If available, install properly working memory of the same type into your computer.l If the problem persists, see "Contacting Dell" in your Owner's Manual for instructions onobtaining technical assistance.PCI bus failure has occurred. 1. Determine if a conflict exists by removing a card and then restarting the computer.2. If the problem persists, reinstall the card that you removed, remove a different card, and thenrestart the computer.3. Repeat this process for each card. If the computer starts normally, troubleshoot the last cardremoved from the computer for resource conflicts (see "Resolving Software and HardwareIncompatibilities").l If the problem persists, see "Contacting Dell" in your Owner's Manual for instructions onobtaining technical assistance.The video controller failed toinitialize or respond.See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.No memory modules aredetected.l Reseat all memory modules, and then restart the computer.l To eliminate the possibility of a faulty memory connector, remove all memory modules, reinstallone 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 restartthe computer. Continue until you have identified a faulty connector or reinstalled all moduleswithout error.l If the problem persists, see "Contacting Dell" in your Owner's Manual for instructions onobtaining technical assistance.System board failure hasoccurred.See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.Memory modules are detected,but a memory configuration orcompatibility error exists.l Be sure that there are no special memory module/memory connector placement requirements.l Verify that the memory modules that you are installing are compatible with the computer.l If the problem persists, see "Contacting Dell" in your Owner's Manual for instructions onobtaining technical assistance.