Lenovo 1010, 992, 981, 1008 manual Undetermined problems

Undetermined problems

This section provides instructions on how to find out the failing devices or adapters.

1.Turn off the server.

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.Turn on the server 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 4. Diagnostics 21