52 Advanced Troubleshootingw w w . d e l l . c o m | s u p p o r t . d e l l . c o mDell DiagnosticsWhen to Use the Dell DiagnosticsIf you experience a problem with your computer, perform the checks in "Solving Problems" (seepage 29) and run the Dell Diagnostics before you contact Dell for technical assistance. Runningthe Dell Diagnostics may help you resolve the problem without contacting Dell. If you do contactDell, the test results can provide important information for Dell's service and support personnel.The Dell Diagnostics allows you to:• Perform tests on one or all devices.• Select tests based on a symptom of the problem you are having.• Choose how many times a test is run.• Suspend testing if an error is detected.• Access help information that describes the tests and devices.• Receive status messages that tell you whether tests completed successfully.• Receive error messages if problems are detected.Starting the Dell DiagnosticsNOTICE: Use the Dell Diagnostics to test your Dell™ computer only. Using this program with othercomputers can result in error messages.Start the Dell Diagnostics from either your hard drive (see page 53) or from the Dell DimensionResourceCD (see page 53).Another failure has occurred. • Ensure that the cables are properlyconnected to the system board (seepage 73) from the hard drive, CDdrive, and DVD drive.• If the problem persists, contact Dell(see page 112).The computer is in a normal operatingcondition after POST.None.Light Pattern Problem Description Suggested Resolution= yellow= green= offA B C DA B C DT2310bk2.book Page 52 Thursday, February 5, 2004 10:00 AM