Lenovo IdeaTab A3000 Manual de manutenção do hardware - Página 23
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General checkout
This chapter presents the following information:
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Before you go to the checkout, make sure to read the following important notes:
Important notes:
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"What to do first" on page 20
"Power system checkout" on page 21
Only certified trained personnel can service the computer.
Before replacing any FRU, read the entire page on removing and
replacing FRUs.
When you replace FRUs, use new nylon-coated screws.
Be extremely careful during such write operations as copying, saving,
or formatting. Drives in the computer that you are servicing sequence might
have been altered. If you select an incorrect drive, data or programs might be
overwritten.
Replace an FRU only with another FRU of the correct model. When you
replace an FRU, make sure that the machine model and the FRU part
number are correct by referring to the FRU parts list.
An FRU should not be replaced just 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 an FRU only when a problem recurs. If
you suspect that an FRU is defective, clear the error logs and run the test
again. If the error does not recur, do not replace the FRU.
Be careful not to replace a nondefective FRU.
General checkout
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