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Chapter 4: Troubleshooting
Previous boot incomplete - Default
configuration used
• Run “Load Setup Defaults” using the BIOS Setup
Utility, then reboot the notebook.
• Replace the CMOS battery, run the BIOS Setup Utility
to reconfigure system time, then reboot the system.
• Test or replace the system board.
Memory size found by POST differed
from CMOS
• Run “Load Setup Defaults” using the BIOS Setup
Utility, then reboot the notebook.
• Test or replace the SO-DIMM.
• Test or replace the system board.
Diskette drive A error • Make sure that the drive is defined with the proper
diskette type in the BIOS Setup Utility
•See “Testing the external diskette drive” on page 137.
Incorrect Drive A type - run SETUP Make sure that the drive is defined with the proper
diskette type in the BIOS Setup Utility
System cache error - Cache disabled Test or replace the system board.
CPU ID: Test or replace the system board.
DMA Test Failed • Test or replace the SO-DIMM.
• Test or replace the system board.
Software NMI Failed • Test or replace the SO-DIMM.
• Test or replace the system board.
Fail-Safe Timer NMI Failed • Test or replace the SO-DIMM.
• Test or replace the system board.
Device Address Conflict • Run “Load Setup Defaults” using the BIOS Setup
Utility, then reboot the notebook.
• Replace the CMOS battery, run the BIOS Setup Utility
to reconfigure system time, then reboot the system.
• Test or replace the system board.
Allocation Error for device • Run “Load Setup Defaults” using the BIOS Setup
Utility, then reboot the notebook.
• Replace the CMOS battery, run the BIOS Setup Utility
to reconfigure system time, then reboot the system.
• Test or replace the system board.
Failing Bits: nnnn • Test or replace the SO-DIMM.
• Test or replace the BIOS ROM.
• Test or replace the system board.
Fixed Disk n None
Invalid System Configuration Data • Test or replace the BIOS ROM.
• Test or replace the system board.
I/O device IRQ conflict • Run “Load Setup Defaults” using the BIOS Setup
Utility, then reboot the notebook.
• Replace the CMOS battery, run the BIOS Setup Utility
to reconfigure system time, then reboot the system.
• Test or replace the system board.
Operating system not found • Run the BIOS Setup Utility and see if fixed disk and
drive A: are properly identified.
• Test or replace the diskette drive
• Test or replace the hard disk drive
• Test or replace the system board
Error Messages FRU/Action Sequence