68 Aspire XC600 Service Guide
Index of Symptom-to-FRU Error Messages
To use the information in this section to diagnose a problem:
1. Find the error s
ymptom in the left column.
2. If directed to a check procedure, replace the FRU indicated in the check procedure.
If no check procedure is indicated, the first Action/FRU item listed in the right column is the most likely cause.
NOTE If you cannot find a symptom or an error in thi
s list and the problem remains, see “Undetermined
Problems” on page 65.
Processor/Processor Fan-related Symptoms
Symptom/Error Action/FRU
Processor fan does not run but power
suppl
y fan runs.
• Ensure the system is not in power saving mode.
• With the system powered on, measure the voltage of the
processo
r fan connector. Its reading should be +12Vdc. If the
reading shows normal, but the fan still does not work, then
replace the heat sink fan.
• Mainboard
Processor test failed. •Processor
• Mainboard
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.
Mainboard and Memory-related Symptoms
Symptom/Error Action/FRU
Memory test failed. • Memory module
• Mainboard
Incorrect memory size shown or repeated
duri
ng POST.
• Insert the memory modules in the DIMM sockets properly,
then reboot the system.
• Memory module
• Mainboard
System works but fails to enter power
saving
mode when the Power
Management Mode is set to Enabled.
• Enter CMOS Setup and load the default settings. In Windows
systems, check settings in Power Management Property of
the Control Panel.
• Reload software from Recovery CD.
Blinking cursor only; system does not work. • IDE drive connection/cables
• IDE disk drives
• See “Undetermined Problems”.
• Mainboard
NOTE Ensure the memory modules are installed properly and
the contact leads are clean before
diagnosing any system problems.
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