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Aspire Z1650 AIO Computer Service Guide
89
Index of Symptom-to-FRU Error Messages
To use the information in this section to diagnose a problem:
1.
Find the error symptom 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 this list and the problem remains, see “Undetermined
Problems” on page 65.
Processor/Processor Fan-related Symptoms
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
NOTE:
Ensure the memory modules are installed properly and the contact leads are clean before diagnosing
any system problems.
Symptom/Error
Action/FRU
Processor fan does not run but power
supply fan runs.
• Ensure the system is not in power saving mode.
• With the system powered on, measure the voltage of the
processor 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
Symptom/Error
Action/FRU
Memory test failed.
• Memory module
• Mainboard
Incorrect memory size shown or repeated
during 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
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