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Undetermined problems
This section provides instructions on how to nd out the failing devices or adapters.
1. Power-off the computer.
2. Remove or disconnect the following components (if installed) one at a time.
a. External devices (modem, printer, or mouse)
b. Any adapters
c. Memory modules
d. Extended video memory
e. External Cache
f. External Cache RAM
g. Hard disk drive
h. Diskette drive
3. Power-on the computer to re-test the system.
4. Repeat steps 1 through 3 until you nd the failing device or adapter.
If all devices and adapters have been removed, and the problem continues, replace the system board.
Chapter 8. Symptom-to-FRU Index 67