220 Advanced Troubleshootingw w w . d e l l . c o m | s u p p o r t . d e l l . c o mDiagnostic LightsSystem LightsLocated on the front of the computer, these lights can indicate a computer problem.Power Light Hard-DriveLightProblem Description Suggested ResolutionSolid green N/A Power is on, and the computer isoperating normally.No corrective action is required.Blinking green Blank The computer is in the suspendedstate (Microsoft® Windows® 2000and Windows XP).Press the power button, move themouse, or press a key on thekeyboard to wake the computer. See"Power Button."Blinks greenseveral times andthen turns offN/A A configuration error exists. Check the diagnostic lights to see ifthe specific problem is identified.Solid yellow N/A The Dell Diagnostics is running atest, or a device on the system boardmay be faulty or incorrectlyinstalled.If the Dell Diagnostics is running,allow the testing to complete.Check the diagnostic lights to see ifthe specific problem is identified.See "System Board Problems."If the computer does not boot,contact Dell for technicalassistance.Blinking yellow Blank A power supply or system boardfailure has occurred.Check the diagnostic lights to see ifthe specific problem is identified.See "Power Problems" and "SystemBoard Problems."Blinking yellow Solid green A system board or VRM failure hasoccurred.Check the diagnostic lights to see ifthe specific problem is identified.See "System Board Problems."Solid green and abeep code duringPOSTN/A A problem was detected while theBIOS was executing.See "Beep Codes" for instructionson diagnosing the beep code. Also,check the diagnostic lights to see ifthe specific problem is identified.