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General checkout

Thischapterpresentsthefollowinginformation:

• “Whattodorst”onpage20

• “Powersystemcheckout”onpage21

Beforeyougotothecheckout,makesuretoreadthefollowingimportantnotes:

Important notes:

• Onlycertiedtrainedpersonnelcanservicethecomputer.

• BeforereplacinganyFRU,readtheentirepageonremovingandreplacing

FRUs.

• CarefullyremovescrewsforreusewhenreplacingFRUs.

• 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.

Lenovo y700-17 User Manual

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