Index Of Symptom-To-Fru Error Message - Acer Aspire X3950 Service Manual

Index of Symptom-to-FRU Error Message

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 the right column is the most likely cause.
Processor/Processor Fan-Related Symptoms
Symptom / Error
Processor fan does not run but power
supply fan runs.
Processor test failed.
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
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.
Blinking cursor only; system does not
work.
NOTE: Ensure the memory modules are installed properly and the contact leads are clean before diagnosing
any system problems.
Chapter 4
Ensure the system is not in power saving mode.

With the system power on, measure the voltage of processor

fan connector. Its reading should be +12Vdc. Its reading
should be +12Vdc. If the reading shows normal, but the fan
still does not work, then replace a good fan.
Mainboard

Processor

Mainboard

Memory module

Mainboard

Insert the memory modules in the DIMM sockets properly,

then reboot the system.
Memory module

Mainboard

Enter BIOS Setup and load default settings.In Windows

Systems, check settings in Power Management Property of
Control Panel.
Reload software from Recovery CD.

Diskette/IDE drive connection/cables

Diskette/IDE disk drives

See "Undetermined Problems".

Mainboard

Action/FRU
Action/FRU
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