Lenovo Netvista A20i Hardware Maintenance Manual (HMM) for Aptiva and NetVista - Page 84

Undetermined Problems, Diskette drive

Page 84 highlights

Undetermined Problems If an error code is present, go to "Index of Symptoms, Messages, Error Codes, or Beeps" on page 60. If no error code is present, continue with this check. Check the power supply voltages (see "Power Supply Cable Connector Specifications" on page 122). 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 117 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 failed device or adapter. 6. If software related, reload software from Recovery CD. If the symptom changes, go to "Index of Symptoms, Messages, Error Codes, or Beeps" on page 60 or to the check procedure for the last item tested. Replace the last item tested if the system operates normally after removing the last item. 84

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84
Undetermined Problems
If an error code is present, go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60.
If no error code is
present, continue with this check. Check the power supply voltages (see “Power Supply Cable Connector Specifications" on
page 122). 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 117 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 failed device or adapter.
6. If software related, reload software from Recovery CD.
If the symptom changes, go to “Index of Symptoms, Messages, Error Codes, or Beeps” on page 60 or to the check
procedure for the last item tested.
Replace the last item tested if the system operates normally after removing the last item.