Hardware Maintenance Manual

Chapter3.Generalcheckout

Thischapterintroducesfollowinginformation:

•“Whattodoﬁrst”onpage23

•“Checkoutguide”onpage24

–“LenovoSolutionCenter”onpage24

–“Quicktestprograms”onpage24

–“UEFIdiagnosticprogram”onpage25

–“Bootablediagnosticprograms”onpage25

•“Powersystemcheckout”onpage26

Beforeyougotothecheckoutguide,besuretoreadthefollowingimportantnotes.

Importantnotes:

•Onlycertiﬁedtrainedpersonnelshouldservicethecomputer.

•BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.

•WhenyoureplaceFRUs,itisrecommendedusenewnylon-coatedscrews.

•Beextremelycarefulduringsuchwriteoperationsascopying,saving,orformatting.Thesequence

ofthedrivesinthecomputerthatyouareservicingmighthavebeenaltered.Ifyouselectanincorrect

drive,dataorprogramsmightbeoverwritten.

•ReplaceaFRUonlywithanotherFRUofthecorrectmodel.WhenyoureplaceaFRU,ensure

thatthemodelofthemachineandtheFRUpartnumberarecorrectbyreferringtothewebsite:

http://www.lenovo.com/serviceparts-lookup

•AFRUshouldnotbereplacedbecauseofasingle,unreproduciblefailure.Singlefailurescanoccur

foravarietyofreasonsthathavenothingtodowithahardwaredefect,suchascosmicradiation,

electrostaticdischarge,orsoftwareerrors.ConsiderreplacingaFRUonlywhenaproblemrecurs.Ifyou

suspectthataFRUisdefective,cleartheerrorlogandrunthetestagain.Iftheerrordoesnotrecur,do

notreplacetheFRU.

•BecarefulnottoreplaceanondefectiveFRU.

Whattodoﬁrst

WhenyoureturnaFRU,youmustincludethefollowinginformationinthepartsexchangeformorparts

returnformthatyouattachtoit:

1.Nameandphonenumberofservicetechnician

2.Dateofservice

3.Dateonwhichthemachinefailed

4.Dateofpurchase

5.Failuresymptoms,errorcodesappearingonthedisplay,andbeepsymptoms

6.ProcedureindexandpagenumberinwhichthefailingFRUwasdetected

7.FailingFRUnameandpartnumber

8.Machinetype,modelnumber,andserialnumber

9.Customer'snameandaddress

Note:Duringthewarrantyperiod,thecustomermayberesponsibleforrepaircostsifthecomputerdamage

wascausedbymisuse,accident,modiﬁcation,unsuitablephysicaloroperatingenvironment,orimproper

maintenancebythecustomer.Followingisalistofsomecommonitemsthatarenotcoveredunderwarranty

andsomesymptomsthatmightindicatethatthesystemwassubjectedtostressbeyondnormaluse.