Lenovo ThinkPad 560E ThinkPad 560X Hardware Maintenance Manual (Oct 1997) - Page 31

Read This First, ThinkPad 560X

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Read This First Before you go to the checkout guide, be sure to read this section. Important Notes Only certified trained personnel should service the computer. Read the entire FRU removal and replacement page before replacing any FRU. Use new nylon coated screws when you replace FRUs. Be extremely careful during write operations such as copying, saving, or formatting. Drives in the computer that you are servicing might have been rearranged, or the drive startup sequence might have been altered. If you select an incorrect drive, data or programs might be overwritten. Replace FRUs only for the correct model. When you replace a FRU, make sure the model of the machine and FRU part number are correct by referring to the FRU parts list. A FRU should not be replaced because of a single, unreproducible failure. Single failures can occur from a variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. If this is suspected, clear the error log and run the test again. Do not replace any FRUs if log errors do not reappear. Do not replace a nondefective FRU. ThinkPad 560X (2640-60x, 70x) 21

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Read This First
Before you go to the checkout guide, be sure to read this
section.
Important Notes
±
Only certified trained personnel should
service the computer
.
±
Read the entire FRU removal and replacement
page before replacing any FRU.
±
Use new nylon coated screws when you
replace FRUs
.
±
Be extremely careful during write operations
such as copying, saving, or formatting.
Drives
in the computer that you are servicing might have
been rearranged, or the drive startup sequence
might have been altered.
If you select an
incorrect drive, data or programs might be
overwritten.
±
Replace FRUs only for the correct model.
When you replace a FRU, make sure the model
of the machine and FRU part number are correct
by referring to the FRU parts list.
±
A FRU should not be replaced because of a
single, unreproducible failure.
Single failures
can occur from a variety of reasons that have
nothing to do with a hardware defect, such as
cosmic radiation, electrostatic discharge, or
software errors.
FRU replacement should be
considered only when a recurring problem exists.
If this is suspected, clear the error log and run
the test again.
Do not replace any FRUs if log
errors do not reappear.
±
Do not replace a nondefective FRU.
ThinkPad 560X
(2640-60x, 70x)
21