Hardware Maintenance Manual

Chapter3.Generalcheckout

Thischapterpresentsfollowinginformation:

•“Whattodoﬁrst”onpage25

•“Checkoutguide”onpage26

–“LenovoSolutionCenter”onpage26

–“Quicktestprograms”onpage26

–“UEFIdiagnosticprogram”onpage27

–“Bootablediagnosticprograms”onpage27

•“Powersystemcheckout”onpage28

Somedescriptionsinthischaptermightnotapplytoyourparticularcomputer.

Beforeyougotothecheckoutguide,besuretoreadthefollowingimportantnotes.

Importantnotes:

•Onlycertiﬁedtrainedpersonnelshouldservicethecomputer.

•BeforereplacinganyFRU,readtheentirepageonremovingandreplacingFRUs.

•WhenyoureplaceFRUs,itisrecommendedtousenewnylon-coatedscrews.

•Beextremelycarefulduringsuchwriteoperationsascopying,saving,orformatting.Thesequenceofthe

drivesinthecomputerthatyouareservicingmighthavebeenaltered.Ifyouselectanincorrectdrive,dataor

programsmightbeoverwritten.

•ReplaceaFRUonlywithanotherFRUofthecorrectmodel.WhenyoureplaceaFRU,ensurethatthemodelof

themachineandtheFRUpartnumberarecorrect.

•AFRUshouldnotbereplacedbecauseofasingle,unreproduciblefailure.Singlefailurescanoccurfora

varietyofreasonsthathavenothingtodowithahardwaredefect,suchascosmicradiation,electrostaticdischarge,

orsoftwareerrors.ConsiderreplacingaFRUonlywhenaproblemrecurs.IfyoususpectthataFRUisdefective,

cleartheerrorlogandrunthetestagain.Iftheerrordoesnotrecur,donotreplacetheFRU.

•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,thecustomerisresponsibleforrepaircostsifthecomputerdamage

wascausedbymisuse,accident,modiﬁcation,unsuitablephysicaloroperatingenvironment,orimproper

maintenancebythecustomer.Followingisalistofsomecommonitemsthatarenotcoveredunderwarranty

andsomesymptomsindicatesthatthesystemhasbeensubjecttostressbeyondnormaluse.

Beforecheckingproblemswiththecomputer,determinewhetherthedamageiscoveredunderthewarranty

byreferringtothefollowinglist: