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Error Symptoms List
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.
Error Symptom
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 not run but power supply
fan runs.
Processor test failed.
Ensure the memory modules are installed properly and the contact leads are clean before diagnosing any system
problems.
Memory test failed.
Incorrect memory size shown or repeated
during POST.
System works but fails to enter power saving
mode when the Power Management Mode
is set to Enabled, and power saving timer
set in BIOS has elapsed.
System hangs before system boot.
System hangs after system boot.
Blinking cursor only; system does not work.
Ensure the diskette drive is configured correctly in BIOS Setup and its read/write head is clean before diagnosing any
diskette drive problems.
Media and drive are mismatched.
Chapter 4
Processor / Processor Fan
Ensure the system is not in power saving mode. See "Power
Management" in chapter 2.
With the system power on, measure the voltage of processor fan
connector. Its reading should be +12Vdc.
System board.
Processor.
System board.
System Board and Memory
See "Memory"
System board
Insert the memory modules in the DIMM sockets properly, then
reboot the system.
Memory module.
System board.
Enter BIOS Setup and load default settings.
In Windows 98, check settings in Power Management Property of
Control Panel.
Reload software from Recovery CD.
See "Index of Symptoms"
See "Undetermined Problems"
Execute a system test and set it to stop at "Halt on Error" to see the
potential cause of the problem.
See "Undetermined Problems".
Diskette/IDE drive connection/cables
Diskette/IDE disk drives
See Undetermined Problems.
System board
Diskette Drive
Ensure the diskette drive is configured correctly in the Disk Drives
of BIOS Setup.
Ensure the diskette drive is correctly formatted.
Diskette drive connection/cable
Diskette drive
System board
Action/FRU
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