62Table 2-3 Error Symptoms ListError Symptoms Action/FRUNOTE: To diagnose a problem, first find the error symptom in the left column. Ifdirected to a check procedure, replace the FRU indicated in the checkprocedure. If no check procedure is indicated, the first Action/FRU listed in rightcolumn is the most likely cause.ProcessorNOTE: Normally, the processor fan should be operative, and the processorclock setting should be exactly set to match its speed requirement beforediagnosing any processor problems.Processor fan doesnot run but powersupply fan runs.Make sure that the system is not in power saving mode.See “Power Management Setup” on page 48.With the system power on, measure the voltage ofprocessor fan connector FN. (See “Power Supply CableConnector Specifications” on page 127 and refer toParts/Test Point Locations on page 111.) Its reading shouldbe +12Vdc.Processor fan.System board.Processor testfailed.Processor.System board.System BoardNOTE: Ensure that the memory modules are installed properly and the contactlead is clean before diagnosing any system problems.Memory test failed. “Memory” on page 74System boardIncorrect memorysize shown orrepeated duringPOST.Insert the memory modules in the DIMM sockets properly,and then reboot the system.Memory module. See the “Step 005” of “Memory” on page74 to replace memory module.System board.System works butfails to enter powersaving mode whenthe “PowerManagement” is setto [Enabled], andpower saving timerset in BIOS haselapsed.Load default settings.In Win98, check settings in Control Panel Power utility.Reload software from Recovery CD.System hangsbefore system boot.“Index of Symptoms, Messages, Error Codes, or Beeps” onpage 57.“Undetermined Problems” on page 80.System hangs aftersystem boot.Execute a system test (“Diagnostics/All Tests” in PC-Doctor diagnostics program) and set it to stop at “Halt onError” to see the potential cause of the problem.“Undetermined Problems” on page 80.
