Undetermined problems

This section provides instructions on how to find 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 find the failing device or adapter.

If all devices and adapters have been removed, and the problem continues, replace the system board.

Chapter 7. Symptom-to-FRU Index 65

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Lenovo 5110, 5106, 5114, 5150 manual Undetermined problems