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
Symptom/Error | Action/FRU | |
|
|
|
Processor fan does not run but power | • | Ensure the system is not in power saving mode. |
supply fan runs. | • 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 |
|
|
|
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
Symptom/Error | Action/FRU | |
|
|
|
Memory test failed. | • | Memory module |
| • | Mainboard |
|
|
|
Incorrect memory size shown or repeated | • | Insert the memory modules in the DIMM sockets properly, |
during POST. |
| then reboot the system. |
| • | Memory module |
| • | Mainboard |
|
|
|
System works but fails to enter power | • | Enter CMOS Setup and load the default settings. In Windows |
saving mode when the Power Management |
| systems, check settings in Power Management Property of |
Mode is set to Enabled. |
| 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.
78 | Aspire Z3750 / Z3751 / Z5750 / Z5751 AIO Computer Service Guide |
