Undetermined Problems - IBM Aptiva 2124 Hardware Maintenance Service

Undetermined Problems

If an error code is present, go to "Index of Symptoms, Messages, Error
Codes, or Beeps" on page 2-8. If no error code is present, continue with this
check. Check the power supply voltages (see "Power Supply Cable
Connector Specifications" on page 5-15). If the voltages are correct, return
here and continue with the following steps:
1. Power off the system unit.
2. Perform the following checks, one by one, until you have isolated the
problem FRU (refer to "Parts/Test Point Locations" on page 5-1 for
locations):
•
Load default settings in setup.
•
Check all system board jumper positions and switch settings.
•
Check all adapter card jumper positions.
•
Check all device jumper positions.
•
Check all cables and connectors for proper installation.
If the jumpers, switch, and voltage settings are correct, return here and
continue:
3. Remove or disconnect the following, one at a time:
•
Non-IBM devices
•
External devices
•
Any adapters
•
Modem card, if installed
•
CD-ROM drive
•
Diskette drive
•
Hard disk drive
•
DIMM
•
Processor
•
System board
4. Power on the system unit.
5. Repeat steps 1 through 4 until you find the failing device or adapter.
6. If software related, reload software from Recovery CD.
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