Lenovo ThinkPad 600E Hardware Maintance Manual - June 1999: ThinkPad 600, 600E - Page 23

Read This First, What to Do First

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Read This First 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 such write operations 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. Be careful not to replace a nondefective FRU. What to Do First: The servicer must include the following in the parts exchange form or parts return form that is attached to the returned FRU: 1. Name and phone number of servicer 2. Date of service 3. Date that the machine failed 4. Date of purchase 5. Failure symptoms, error codes appearing on the display, and beep symptoms 6. Procedure index and page number in which the failing FRU was detected 7. Failing FRU name and part number 8. Machine type, model number, and serial number 9. Customer's name and address General Descriptions 17

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Read This First
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 such write
operations 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.
±
Be careful not to replace a nondefective FRU.
What to Do First:
The servicer must include the
following in the parts exchange form or parts return form
that is attached to the returned FRU:
1.
Name and phone number of servicer
2.
Date of service
3.
Date that the machine failed
4.
Date of purchase
5.
Failure symptoms, error codes appearing on the
display, and beep symptoms
6.
Procedure index and page number in which the
failing FRU was detected
7.
Failing FRU name and part number
8.
Machine type, model number, and serial number
9.
Customer's name and address
General Descriptions
17