Symptom-to-FRU error messages
Verify that all attached devices are supported computer.
Verify that the power supply being used at the failure is operating correctly. (See “Power syste checkout” on page 9):
1.Power off the computer.
2.Visually check the attached devices damage. problems are found, replace the FRU.
3. Remove or disconnect all of the following devi
a.
b.Devices attached to the port replicator
c.Printer, mouse, and other external devices
d.Battery pack
e. Hard disk drive
f. External diskette drive g. DIMM
h.
i.PC Cards
4.Power on the computer.
5. | Determine | whether | the | problem | has | changed. | ||||
6. | If the problem does not recur, reconnect th | |||||||||
| devices | one at | a | time | until | you | find | the fa | ||
7. | If | the |
| problem | remains, replace | the | following | |||
| one | at | a | time. | Do | not | replace a | nondefective | ||
a.System board
b.LCD assembly
c.CPU card
32 ThinkPad 600X Hardware Maintenance Manual
