Advanced Troubleshooting 43Dell DiagnosticsIf you experience a problem with your computer, perform the checks in "Solving Problems" (seepage 19) 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 express, extended, or custom 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• Display test results• Suspend testing if an error is detected• Access online help information that describes the tests and devices• Receive status messages that tell you whether tests completed successfully• Receive error messages if problems are detectedStarting the Dell DiagnosticsNOTICE: Only use the Dell Diagnostics to test your Dell™ computer. Using this program with othercomputers can result in error messages.1 Shut down and restart the computer.2 When the DELL™ logo appears, press immediately.3 If you wait too long and the Microsoft® Windows® logo appears, continue to wait until yousee the Windows desktop. Then shut down your computer through the Start menu and tryagain.4 When the boot device list appears, highlight Boot to Utility Partition and press .5 When the Dell Diagnostics Main Menu appears, select the test you want to run (see page 44).The computer is in a normal operatingcondition after POST.None.Light Pattern Problem Description Suggested Resolution= yellow= green= offA B C D