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Chapter 3. General checkout
This chapter presents following information:
• “What to do rst” on page 25
• “Checkout guide” on page 26
– “Lenovo Solution Center” on page 26
– “Quick test programs” on page 26
– “UEFI diagnostic program” on page 27
– “Bootable diagnostic programs” on page 27
• “Power system checkout” on page 28
Some descriptions in this chapter might not apply to your particular computer.
Before you go to the checkout guide, be sure to read the following important notes.
Important notes:
• Only certied trained personnel should service the computer.
• Before replacing any FRU, read the entire page on removing and replacing FRUs.
• When you replace FRUs, it is recommended to use new nylon-coated screws.
• Be extremely careful during such write operations as copying, saving, or formatting. The sequence of the
drives in the computer that you are servicing might have been altered. If you select an incorrect drive, data or
programs might be overwritten.
• Replace a FRU only with another FRU of the correct model. When you replace a FRU, ensure that the model of
the machine and the FRU part number are correct.
• A FRU should not be replaced because of a single, unreproducible failure. Single failures can occur for a
variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation, electrostatic discharge,
or software errors. Consider replacing a FRU only when a problem recurs. If you suspect that a FRU is defective,
clear the error log and run the test again. If the error does not recur, do not replace the FRU.
• Be careful not to replace a nondefective FRU.
What to do rst
When you return a FRU, you must include the following information in the parts exchange form or parts
return form that you attach to it:
1. Name and phone number of service technician
2. Date of service
3. Date on which 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
Note: During the warranty period, the customer is responsible for repair costs if the computer damage
was caused by misuse, accident, modication, unsuitable physical or operating environment, or improper
maintenance by the customer. Following is a list of some common items that are not covered under warranty
and some symptoms indicates that the system has been subject to stress beyond normal use.
Before checking problems with the computer, determine whether the damage is covered under the warranty
by referring to the following list:
© Copyright Lenovo 2012
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