Lenovo NetVista Hardware Maintenance Manual (HMM) for Aptiva, IBM PC300, and N - Page 62
Table 2-3 Error Symptoms List, Execute a system test Diagnostics/All Tests in PC
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Table 2-3 Error Symptoms List Error Symptoms Action/FRU NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause. Processor NOTE: Normally, the processor fan should be operative, and the processor clock setting should be exactly set to match its speed requirement before diagnosing any processor problems. Processor fan does Make sure that the system is not in power saving mode. not run but power See "Power Management Setup" on page 48. supply fan runs. With the system power on, measure the voltage of processor fan connector FN. (See "Power Supply Cable Connector Specifications" on page 127 and refer to Parts/Test Point Locations on page 111.) Its reading should be +12Vdc. Processor fan. System board. Processor test failed. Processor. System board. System Board NOTE: Ensure that the memory modules are installed properly and the contact lead is clean before diagnosing any system problems. Memory test failed. "Memory" on page 74 System board Incorrect memory size shown or repeated during POST. Insert the memory modules in the DIMM sockets properly, and then reboot the system. Memory module. See the "Step 005" of "Memory" on page 74 to replace memory module. System board. System works but Load default settings. fails to enter power saving mode when In Win98, check settings in Control Panel Power utility. the "Power Reload software from Recovery CD. Management" is set to [Enabled], and power saving timer set in BIOS has elapsed. System hangs "Index of Symptoms, Messages, Error Codes, or Beeps" on before system boot. page 57. "Undetermined Problems" on page 80. System hangs after Execute a system test ("Diagnostics/All Tests" in PC- system boot. Doctor diagnostics program) and set it to stop at "Halt on Error" to see the potential cause of the problem. "Undetermined Problems" on page 80. 62